Lưu Bích
type: MusicGroup
genre: vietnamese bolero
genre: v-pop
popularity: 33
followers: 17680
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSProofURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → block must exist at that height 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf86006fef5d63b2614f4883b4f3464b48c860e64078fb9ad92fa1c620ea22173. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c2fda888-bc76-43e2-a4fd-97fb35a6fd99.json and https://artists.proofprofile.net/proofs/artist/c2fda888-bc76-43e2-a4fd-97fb35a6fd99.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
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album: Mong Mo
  type: MusicAlbum
  date published: 1970-01-01
  track: Anh Cần Có Em
    type: MusicRecording
    duration: PT3M53S
    duration ms: 233066
    explicit: false
    by artist: Lưu Bích
    in album: Mong Mo
      type: MusicAlbum
      date published: 1970-01-01
    audio: Anh Cần Có Em
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      additional property: Time Signature
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      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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      additional property: Acousticness
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      additional property: Instrumentalness
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      additional property: Liveness
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        value: 0.2
      additional property: Valence (Positivity)
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        value: 0.875
      additional property: Loudness (dB)
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  track: Phút Giây Thần Tiên
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      type: MusicAlbum
      date published: 1970-01-01
    audio: Phút Giây Thần Tiên
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        value: 1
      additional property: Time Signature
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        value: 4
      additional property: Danceability
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      additional property: Energy
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      additional property: Speechiness
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  track: Cuộc Tình Thứ Nhất
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      type: MusicAlbum
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    audio: Cuộc Tình Thứ Nhất
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      additional property: Danceability
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        value: A
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  track: Tình Đẹp Như Mơ
  track: Tình Yêu Nồng Cháy
  track: Từ Khi Biết Em
  track: Mộng Đẹp Dang Dỡ
  track: Quỳnh Hương
  track: Dĩ Vãng Nhạt Nhòa
  track: Mãi Yêu Anh
album: Manh Luc Tinh Yeu
album: Hay Noi Yeu Em Dem Nay
album: Khi Tinh Bay Xa
album: Đêm Vắng Anh
album: Hạnh Phúc Trong Tầm Tay
album: Trả Nợ Tình Xa
album: Ánh Sáng Đời Tôi
album: Vì Em Yêu Anh
album: Vì Yêu
album: Vì Yêu 2
album: The Best of Lưu Bích
album: Muộn Phiền Trong Mưa
album: Ngày Anh Đến
album: Ngày Anh Đến (Remix)
album: Đắng Cay
album: Giao Lộ Thời Gian
album: Mashup Xa Em Kỷ Niệm
album: Không Bao Giờ
album: I’m in Love
album: Sao Em Còn Ôm Gối Mộng
album: Hoa Nào Không Phai (Lofi)
album: Chén Tình Buồn
album: Tình Đã Phai
album: Giấc Mơ Nồng Say (Lofi Version)
album: Cuối Cùng Em Vẫn Đau
album: Giao Lộ Thời Gian - Tập 11
track: Tình Tuyệt Diệu
track: Tình Yêu Đánh Rơi
track: Em Vẫn Buồn Như Xưa
track: Tạm Biệt Tình Yêu
track: Anh Đi Qua Để Lại
track: Có Duyên Không Phận
track: LK The Uptight
track: Khoảnh Khắc
track: Yêu dấu đừng xa
track: Mỗi người một giấc mơ

Tình Đẹp Như Mơ
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duration ms: 242733
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by artist: Lưu Bích
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audio: Tình Đẹp Như Mơ
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    value: 4
  additional property: Danceability
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    value: 0.148
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    value: 0.644
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Tình Yêu Nồng Cháy
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duration ms: 205466
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audio: Tình Yêu Nồng Cháy
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    value: 0.022
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  additional property: Liveness
    type: PropertyValue
    value: 0.035
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.463
  additional property: Loudness (dB)
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Từ Khi Biết Em
type: MusicRecording
duration: PT3M29S
duration ms: 209266
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by artist: Lưu Bích
in album: Mong Mo
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audio: Từ Khi Biết Em
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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    value: 0.414
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Mộng Đẹp Dang Dỡ
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audio: Mộng Đẹp Dang Dỡ
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    value: 0
  additional property: Time Signature
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    value: 4
  additional property: Danceability
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  additional property: Energy
    type: PropertyValue
    value: 0.384
  additional property: Speechiness
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    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.731
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.11
  additional property: Liveness
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    value: 0.107
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
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Quỳnh Hương
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audio: Quỳnh Hương
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  additional property: Danceability
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    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.428
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.812
  additional property: Loudness (dB)
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Dĩ Vãng Nhạt Nhòa
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duration ms: 237626
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audio: Dĩ Vãng Nhạt Nhòa
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    value: 1
  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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    value: 0.378
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    type: PropertyValue
    value: 0.03
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    type: PropertyValue
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    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.192
  additional property: Loudness (dB)
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Mãi Yêu Anh
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duration: PT3M43S
duration ms: 223666
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audio: Mãi Yêu Anh
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  additional property: Danceability
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.309
  additional property: Loudness (dB)
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Manh Luc Tinh Yeu
type: MusicAlbum
date published: 1970-01-01
track: Con Yeu Em Mai
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  audio: Con Yeu Em Mai
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track: Chiec La Mua Dong
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  audio: Chiec La Mua Dong
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      value: 4
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      value: 0.687
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      type: PropertyValue
      value: 0.033
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      value: 0.853
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      type: PropertyValue
      value: 0.07
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track: Toc Em Chua Ua Nang He
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      value: 1
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    additional property: Liveness
      type: PropertyValue
      value: 0.114
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.571
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track: Mot Thuo Yeu Nguoi
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track: Con Yeu
track: Manh Luc Tinh Yeu
track: Tinh Trong Di Vang
track: Loi Goi Chan May
track: Phuong Yeu
track: Hoai Vong

Valence (Positivity)
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value: 0.3

Loudness (dB)
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value: -12.447

Key Name
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value: D

Mode Name
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value: Minor

Con Yeu
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Manh Luc Tinh Yeu
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duration ms: 284866
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audio: Manh Luc Tinh Yeu
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  additional property: Loudness (dB)
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    value: -6.26
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Tinh Trong Di Vang
type: MusicRecording
duration: PT4M42S
duration ms: 282973
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in album: Manh Luc Tinh Yeu
  type: MusicAlbum
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audio: Tinh Trong Di Vang
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    value: 90.171
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  additional property: Danceability
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  additional property: Liveness
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  additional property: Loudness (dB)
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    value: -10.797
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    value: B
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Loi Goi Chan May
type: MusicRecording
duration: PT4M39S
duration ms: 279133
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audio: Loi Goi Chan May
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  additional property: Musical Key
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    value: 5
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    value: 1
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    value: 3
  additional property: Danceability
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    value: 0.574
  additional property: Energy
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    value: 0.29
  additional property: Speechiness
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    value: 0.03
  additional property: Acousticness
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    value: 0.545
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    value: 0
  additional property: Liveness
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    value: 0.383
  additional property: Valence (Positivity)
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    value: 0.254
  additional property: Loudness (dB)
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    value: -11.454
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    value: F
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Phuong Yeu
type: MusicRecording
duration: PT4M33S
duration ms: 273626
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in album: Manh Luc Tinh Yeu
  type: MusicAlbum
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audio: Phuong Yeu
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    value: 138.093
  additional property: Musical Key
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    value: 7
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    value: 0
  additional property: Time Signature
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    value: 4
  additional property: Danceability
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    value: 0.548
  additional property: Energy
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    value: 0.413
  additional property: Speechiness
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    value: 0.027
  additional property: Acousticness
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    value: 0.286
  additional property: Instrumentalness
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    value: 0
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    value: 0.31
  additional property: Valence (Positivity)
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    value: 0.209
  additional property: Loudness (dB)
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    value: -8.593
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    value: G
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    value: Minor

Hoai Vong
type: MusicRecording
duration: PT4M33S
duration ms: 273333
explicit: false
by artist: Lưu Bích
in album: Manh Luc Tinh Yeu
  type: MusicAlbum
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audio: Hoai Vong
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    value: 57.832
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    value: 6
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
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    value: 0.43
  additional property: Energy
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    value: 0.291
  additional property: Speechiness
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    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.856
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.249
  additional property: Valence (Positivity)
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    value: 0.272
  additional property: Loudness (dB)
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    value: -10.79
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    value: F#
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    value: Major

Hay Noi Yeu Em Dem Nay
type: MusicAlbum
date published: 1970-01-01
track: Hoa Vàng Mấy Độ
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263773
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    type: MusicAlbum
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  audio: Hoa Vàng Mấy Độ
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    additional property: Tempo (BPM)
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      value: 127.838
    additional property: Musical Key
      type: PropertyValue
      value: 11
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      value: 0
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      type: PropertyValue
      value: 3
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      value: 0.583
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      value: 0.277
    additional property: Speechiness
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      value: 0.033
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      value: 0.566
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      value: 0
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      value: 0.124
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      value: 0.195
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      value: -11.706
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      value: B
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      value: Minor
track: Hãy Nói Yêu Em Đêm Nay
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  audio: Hãy Nói Yêu Em Đêm Nay
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      value: 130.041
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      value: 4
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      value: 0
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      type: PropertyValue
      value: 4
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      value: 0.686
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      value: 0.657
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      value: 0.145
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      value: 0
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      type: PropertyValue
      value: 0.18
    additional property: Valence (Positivity)
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      value: 0.746
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      value: -8.312
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      value: E
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      value: Minor
track: Hoa Nào Không Phai
  type: MusicRecording
  duration: PT3M31S
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  audio: Hoa Nào Không Phai
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      value: 6
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      value: 0
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      value: 4
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      value: 0.417
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      value: 0.001
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      value: 0.134
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      value: 0.3
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      value: -10.498
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      value: F#
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      value: Minor
track: Mùa Xuân Trong Đôi Mắt Em
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  duration: PT4M45S
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      value: 80.838
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      value: 7
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      value: 0
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      value: 0.079
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track: Cơn Mưa Tình
track: Khúc Thụy Du
track: Kỷ Niệm Trong Tôi
track: Tình Đã Phai
track: Cho Lần Cuối
track: Thu Vàng Trên Lối

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value: 0.611

Loudness (dB)
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value: -8.701

Key Name
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value: G

Mode Name
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value: Minor

Cơn Mưa Tình
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duration: PT4M42S
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audio: Cơn Mưa Tình
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    value: 0
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    value: 0.16
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    value: 0.184
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    value: 0.145
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    value: -10.081
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    value: A
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Khúc Thụy Du
type: MusicRecording
duration: PT3M40S
duration ms: 220200
explicit: false
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  type: MusicAlbum
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audio: Khúc Thụy Du
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    value: 176.835
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    value: 2
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    value: 0
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  additional property: Danceability
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    value: 0.354
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    value: 0.032
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    value: 0.382
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    value: 0
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    value: 0.217
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    value: 0.177
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    value: -9.258
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    value: D
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Kỷ Niệm Trong Tôi
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duration: PT4M21S
duration ms: 261265
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audio: Kỷ Niệm Trong Tôi
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    value: 95.862
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    value: 2
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    value: 1
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    value: 4
  additional property: Danceability
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    value: 0.302
  additional property: Energy
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    value: 0.335
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
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    value: 0.394
  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.06
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.099
  additional property: Loudness (dB)
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    value: -10.423
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    value: D
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    value: Major

Tình Đã Phai
type: MusicRecording
duration: PT3M49S
duration ms: 229000
explicit: false
by artist: Lưu Bích
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  type: MusicAlbum
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audio: Tình Đã Phai
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.943
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    type: PropertyValue
    value: 5
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    value: 1
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    value: 4
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    type: PropertyValue
    value: 0.599
  additional property: Energy
    type: PropertyValue
    value: 0.398
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    value: 0.03
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    type: PropertyValue
    value: 0.496
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.112
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    type: PropertyValue
    value: 0.339
  additional property: Loudness (dB)
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    value: -10.205
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    value: F
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    value: Major

Cho Lần Cuối
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duration: PT4M5S
duration ms: 245000
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audio: Cho Lần Cuối
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  additional property: Tempo (BPM)
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    value: 114.009
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    value: 7
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    value: 1
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    value: 4
  additional property: Danceability
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    value: 0.763
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    value: 0.611
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  additional property: Acousticness
    type: PropertyValue
    value: 0.464
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    value: 0
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    type: PropertyValue
    value: 0.04
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    type: PropertyValue
    value: 0.652
  additional property: Loudness (dB)
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    value: -7.277
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    value: G
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Thu Vàng Trên Lối
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duration: PT4M38S
duration ms: 278800
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audio: Thu Vàng Trên Lối
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.971
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    value: 4
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    value: 0
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    value: 0.558
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    value: 0.027
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    value: 0.167
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    value: 0.063
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    type: PropertyValue
    value: 0.128
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    value: -9.647
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Khi Tinh Bay Xa
type: MusicAlbum
date published: 1970-01-01
track: Bài Ca Giã Từ
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  duration: PT4M58S
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      value: 140.394
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      value: 1
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      type: PropertyValue
      value: 4
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      value: 0.589
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      type: PropertyValue
      value: 0.328
    additional property: Speechiness
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      value: 0
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      type: PropertyValue
      value: 0.076
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      value: 0.129
    additional property: Loudness (dB)
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      value: -10.899
    additional property: Key Name
      type: PropertyValue
      value: C#
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      value: Major
track: Vẫn Chờ Anh
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      type: PropertyValue
      value: 114.014
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      type: PropertyValue
      value: 5
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      value: 1
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      value: 4
    additional property: Danceability
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      value: 0.759
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      value: 0.445
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      value: 0.274
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      value: 0.013
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      value: 0.298
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.812
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      value: -9.662
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track: Giấc Mơ Nồng Say
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    type: MusicAlbum
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    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.04
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      type: PropertyValue
      value: 11
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      value: 0.403
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Thu Đến Bao Giờ
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Trái Tim Không Ngủ Yên
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Em Sẽ Cố Quên
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Nếu…
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Anh Thì Không
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Người Con Gái
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Tình Vẫn Chưa Nguôi
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track: Để Gió Đi Vào Lãng Quên
track: Tuyết Xưa
track: Tình Đau
track: Một Gốc Đời
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Tình Đau
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Một Gốc Đời
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Giấc Mơ Sa Mạc
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Đêm Vắng Anh
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track: Niềm Đau Của Cát
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track: Giã Từ Dĩ Vãng
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track: Tình Đời Ca Sĩ
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track: Trái Tim Không Ngủ Yên
track: Em Sẽ Cố Quên
track: Nếu…
track: Anh Thì Không
track: Người Con Gái
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Trái Tim Không Ngủ Yên
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Em Sẽ Cố Quên
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Nếu…
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Anh Thì Không
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Người Con Gái
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Tim Lạnh
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Trả Nợ Tình Xa
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Mưa Xa
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Yêu Anh Dịu Dàng
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Điều Ấy Đã Đến
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Trả Nợ Tình Xa
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Điều Ấy Đã Đến
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All Out Of Love
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Yêu
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Tình Đã Đến
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track: Nắng Lên Rồi
track: Muộn Phiền Trong Mưa
track: Khi Người Hết Yêu Tôi
track: Yêu
track: Tình Đã Đến

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Muộn Phiền Trong Mưa
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Yêu
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Tình Đã Đến
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Vì Em Yêu Anh
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track: Tình Vẫn Đắm Say
track: Về Đâu Hỡi Em
track: Vì Anh Một Lần Nửa
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Về Đâu Hỡi Em
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Vì Anh Một Lần Nửa
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Khúc Thu Ca
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Sau Một Lần Nói Dối (Remix)
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Vì Em Yêu Anh
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track: Tình Vẫn Đắm Say
track: Về Đâu Hỡi Em
track: Vì Anh Một Lần Nửa
track: Self Control
track: Khúc Thu Ca
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Yêu Như Ngày Xưa
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duration ms: 273229
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by artist: Lưu Bích
in album: Vì Yêu
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audio: Yêu Như Ngày Xưa
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Đừng Làm Mình Cách Trở
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duration ms: 249962
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by artist: Lưu Bích
in album: Vì Yêu
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audio: Đừng Làm Mình Cách Trở
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  additional property: Tempo (BPM)
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    value: 127.988
  additional property: Musical Key
    type: PropertyValue
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.735
  additional property: Energy
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    value: 0.822
  additional property: Speechiness
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  additional property: Acousticness
    type: PropertyValue
    value: 0.11
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Tình Đã Như Một Giấc Mơ
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duration: PT4M33S
duration ms: 273902
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
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  date published: 2006-01-01
audio: Tình Đã Như Một Giấc Mơ
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.932
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.221
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.686
  additional property: Loudness (dB)
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  additional property: Key Name
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    value: Bb
  additional property: Mode Name
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Vì Yêu
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date published: 2006-01-01
track: Giấc Mơ Ngọt Ngào
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  duration ms: 242640
  explicit: false
  by artist: Lưu Bích
  in album: Vì Yêu
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: QM4TW2091212
  audio: Giấc Mơ Ngọt Ngào
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.681
    additional property: Energy
      type: PropertyValue
      value: 0.605
    additional property: Speechiness
      type: PropertyValue
      value: 0.026
    additional property: Acousticness
      type: PropertyValue
      value: 0.534
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.292
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.576
    additional property: Loudness (dB)
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      value: -8.237
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
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track: Ngơ Ngác
  type: MusicRecording
  duration: PT3M42S
  duration ms: 222293
  explicit: false
  by artist: Lưu Bích
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    type: MusicAlbum
    date published: 2006-01-01
  audio: Ngơ Ngác
    type: AudioObject
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      type: PropertyValue
      value: 129.971
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.719
    additional property: Energy
      type: PropertyValue
      value: 0.837
    additional property: Speechiness
      type: PropertyValue
      value: 0.031
    additional property: Acousticness
      type: PropertyValue
      value: 0.095
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.006
    additional property: Liveness
      type: PropertyValue
      value: 0.084
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.951
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.454
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Medley 80
  type: MusicRecording
  duration: PT5M33S
  duration ms: 333546
  explicit: false
  by artist: Lưu Bích
  in album: Vì Yêu
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: QM4TW2091214
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T01:57:47+00:00
  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xde1fe21fb8435893320a710ad8d4d15035b760b4540a911c5eee39c212715490
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 957124
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957124
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2091214
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:53:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde1fe21fb8435893320a710ad8d4d15035b760b4540a911c5eee39c212715490. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2091214.
    date published: 2026-07-08T03:53:27Z
  audio: Medley 80
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 138.407
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
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    additional property: Danceability
      type: PropertyValue
      value: 0.697
    additional property: Energy
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      value: 0.867
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.002
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.028
    additional property: Liveness
      type: PropertyValue
      value: 0.339
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.628
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.387
    additional property: Key Name
      type: PropertyValue
      value: C
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track: Hạnh Phúc Vội Xa
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  duration: PT4M20S
  duration ms: 260333
  explicit: false
  by artist: Lưu Bích
  in album: Vì Yêu
    type: MusicAlbum
    date published: 2006-01-01
  isrc code: QM4TW2091215
  audio: Hạnh Phúc Vội Xa
track: Vì Em Mà Tôi Như Thế
track: Calling
track: Vì Yêu
track: Yêu Như Ngày Xưa
track: Đừng Làm Mình Cách Trở
track: Tình Đã Như Một Giấc Mơ

Hạnh Phúc Vội Xa
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additional property: Tempo (BPM)
  type: PropertyValue
  value: 142.56
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
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  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.579
additional property: Energy
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  value: 0.576
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
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  value: 0.623
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.09
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.193
additional property: Loudness (dB)
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  value: -10.393
additional property: Key Name
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  value: D
additional property: Mode Name
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Vì Em Mà Tôi Như Thế
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duration: PT3M43S
duration ms: 223640
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
isrc code: QM4TW2091216
audio: Vì Em Mà Tôi Như Thế
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  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.637
  additional property: Energy
    type: PropertyValue
    value: 0.683
  additional property: Speechiness
    type: PropertyValue
    value: 0.028
  additional property: Acousticness
    type: PropertyValue
    value: 0.25
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.328
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.428
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.213
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Calling
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duration: PT4M15S
duration ms: 255533
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
isrc code: QM4TW2091217
audio: Calling
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.099
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.632
  additional property: Energy
    type: PropertyValue
    value: 0.594
  additional property: Speechiness
    type: PropertyValue
    value: 0.024
  additional property: Acousticness
    type: PropertyValue
    value: 0.088
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.278
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.966
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
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Vì Yêu
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duration: PT3M48S
duration ms: 228520
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
isrc code: QM4TW2091218
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x855951c1984679e2823887b5221bbe572e97a6c37e83097b3f57e96a18eb7dc3
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2091218
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x855951c1984679e2823887b5221bbe572e97a6c37e83097b3f57e96a18eb7dc3. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM4TW2091218.
  date published: 2026-07-08T03:53:27Z
audio: Vì Yêu
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    type: PropertyValue
    value: 132.95
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.792
  additional property: Energy
    type: PropertyValue
    value: 0.794
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.154
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.05
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.715
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.92
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Yêu Như Ngày Xưa
type: MusicRecording
duration: PT4M33S
duration ms: 273480
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
audio: Yêu Như Ngày Xưa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.018
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.627
  additional property: Energy
    type: PropertyValue
    value: 0.753
  additional property: Speechiness
    type: PropertyValue
    value: 0.026
  additional property: Acousticness
    type: PropertyValue
    value: 0.147
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.337
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.484
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.858
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Đừng Làm Mình Cách Trở
type: MusicRecording
duration: PT4M10S
duration ms: 250213
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
isrc code: QM4TW2091220
audio: Đừng Làm Mình Cách Trở
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.045
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.735
  additional property: Energy
    type: PropertyValue
    value: 0.811
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.109
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.072
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.722
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.325
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tình Đã Như Một Giấc Mơ
type: MusicRecording
duration: PT4M34S
duration ms: 274906
explicit: false
by artist: Lưu Bích
in album: Vì Yêu
  type: MusicAlbum
  date published: 2006-01-01
isrc code: QM4TW2091221
audio: Tình Đã Như Một Giấc Mơ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.309
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.717
  additional property: Energy
    type: PropertyValue
    value: 0.934
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.214
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.682
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.859
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Vì Yêu 2
type: MusicAlbum
date published: 2009-01-01
track: Liên Khúc Yêu
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  duration: PT6M4S
  duration ms: 364400
  explicit: false
  by artist: Lưu Bích
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    type: MusicAlbum
    date published: 2009-01-01
  audio: Liên Khúc Yêu
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 129.02
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.516
    additional property: Energy
      type: PropertyValue
      value: 0.917
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.027
    additional property: Instrumentalness
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    additional property: Liveness
      type: PropertyValue
      value: 0.259
    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.308
    additional property: Key Name
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track: Vắng Anh Mùa Đông
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  duration: PT4M43S
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  explicit: false
  by artist: Lưu Bích
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    type: MusicAlbum
    date published: 2009-01-01
  audio: Vắng Anh Mùa Đông
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    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.042
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
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      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
      type: PropertyValue
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    additional property: Speechiness
      type: PropertyValue
      value: 0.027
    additional property: Acousticness
      type: PropertyValue
      value: 0.616
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
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Ngày Anh Đến
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Vì Em Yêu Anh
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Trái Tim Lầm Lỡ
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Mashup Xa Em Kỷ Niệm
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    date published: 2022-12-08
  audio: Mashup Xa Em Kỷ Niệm
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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Không Bao Giờ
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    date published: 2023-11-30
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T23:28:02Z
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    additional property: Valence (Positivity)
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I’m in Love
type: MusicAlbum
date published: 2024-01-22
track: I’m in Love
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    date published: 2024-01-22
  audio: I’m in Love
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    additional property: Instrumentalness
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Sao Em Còn Ôm Gối Mộng
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track: Sao Em Còn Ôm Gối Mộng
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    date published: 2024-01-24
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    additional property: Valence (Positivity)
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Hoa Nào Không Phai (Lofi)
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date published: 2024-02-08
track: Hoa Nào Không Phai - Lofi
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    additional property: Danceability
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Chén Tình Buồn
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date published: 2024-04-24
track: Chén Tình Buồn
  type: MusicRecording
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    date published: 2024-04-24
  audio: Chén Tình Buồn
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    additional property: Danceability
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Tình Đã Phai
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date published: 2024-06-27
track: Tình Đã Phai
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  explicit: false
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    date published: 2024-06-27
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86429466dd74aa5d5db7ed22f6653d60e5e0197c6a5b3897070cc04b4e7d5a49. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA062444765.
    date published: 2026-07-03T19:59:51Z
  audio: Tình Đã Phai
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Giấc Mơ Nồng Say (Lofi Version)
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date published: 2024-08-19
track: Giấc Mơ Nồng Say - Lofi Version
  type: MusicRecording
  duration: PT3M30S
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  explicit: false
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSHash
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4cefabbc928f794b6680fbbc890fb92da530e844b6e3378a742ab7ddaed423d6. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DGA0M2403365.
    date published: 2026-07-05T01:12:41Z
  audio: Giấc Mơ Nồng Say - Lofi Version
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    additional property: Musical Key
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Cuối Cùng Em Vẫn Đau
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date published: 2025-02-19
track: Cuối Cùng Em Vẫn Đau
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  duration ms: 236000
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    date published: 2025-02-19
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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Giao Lộ Thời Gian - Tập 11
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date published: 2025-05-23
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
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    date published: 2026-07-16T06:29:25Z
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track: Giá Như Ta Chẳng Biết Nhau
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08d43b5d61e84337674b3de843f4c25890552b7a680ee33ddadb3359b0ab3d32. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500976.
    date published: 2026-07-04T10:04:33Z
  audio: Giá Như Ta Chẳng Biết Nhau
    type: AudioObject
    additional property: Tempo (BPM)
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      value: 143.288
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.404
    additional property: Energy
      type: PropertyValue
      value: 0.11
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.949
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.186
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.221
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.348
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Đắng Cay
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160960
  explicit: false
  by artist: Lưu Bích
  in album: Giao Lộ Thời Gian - Tập 11
    type: MusicAlbum
    date published: 2025-05-23
  isrc code: VNA2B2500977
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T18:28:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x27617c07be375bd1cddf45520b412dea00efadaaddfb2d2ad29909cb5bbe29e5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958194
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/958194
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500977
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Đắng Cay
track: Lỗi Tại Mưa
track: Chiếc Lá Mùa Đông
track: Hiu Hắt Đời Nhau
track: Trái Tim Lầm Lỡ
track: Hôn Sâu 3 Phút - Khi Cô Đơn Em Nhớ Ai
track: Gặp Lại Nhau
track: Ngày Anh Đến - Đã Từng Có Nhau

OTSTimestamp
type: PropertyValue
value: 2026-07-15T20:32:27Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27617c07be375bd1cddf45520b412dea00efadaaddfb2d2ad29909cb5bbe29e5. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500977.
date published: 2026-07-15T20:32:27Z

Đắng Cay
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 129.954
additional property: Musical Key
  type: PropertyValue
  value: 5
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.59
additional property: Energy
  type: PropertyValue
  value: 0.286
additional property: Speechiness
  type: PropertyValue
  value: 0.029
additional property: Acousticness
  type: PropertyValue
  value: 0.798
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.545
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.33
additional property: Loudness (dB)
  type: PropertyValue
  value: -12.496
additional property: Key Name
  type: PropertyValue
  value: F
additional property: Mode Name
  type: PropertyValue
  value: Minor

Lỗi Tại Mưa
type: MusicRecording
duration: PT3M16S
duration ms: 196719
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
isrc code: VNA2B2500978
audio: Lỗi Tại Mưa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.117
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.424
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.864
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.407
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.289
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.423
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Chiếc Lá Mùa Đông
type: MusicRecording
duration: PT2M40S
duration ms: 160774
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
audio: Chiếc Lá Mùa Đông
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.05
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.736
  additional property: Energy
    type: PropertyValue
    value: 0.44
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.264
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.014
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.575
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.992
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Hiu Hắt Đời Nhau
type: MusicRecording
duration: PT3M11S
duration ms: 191053
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
isrc code: VNA2B2500980
audio: Hiu Hắt Đời Nhau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.51
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.572
  additional property: Energy
    type: PropertyValue
    value: 0.202
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.862
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.115
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.605
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Trái Tim Lầm Lỡ
type: MusicRecording
duration: PT2M43S
duration ms: 163561
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
isrc code: VNA2B2500981
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T22:55:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb6f40c9605afdf927ceb98e1e0f421dce6a93d3bc23728ac23e39577eee6686d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500981
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb6f40c9605afdf927ceb98e1e0f421dce6a93d3bc23728ac23e39577eee6686d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500981.
  date published: 2026-07-06T01:25:57Z
audio: Trái Tim Lầm Lỡ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.019
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.834
  additional property: Energy
    type: PropertyValue
    value: 0.533
  additional property: Speechiness
    type: PropertyValue
    value: 0.07
  additional property: Acousticness
    type: PropertyValue
    value: 0.265
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.295
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.765
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.724
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Hôn Sâu 3 Phút - Khi Cô Đơn Em Nhớ Ai
type: MusicRecording
duration: PT3M1S
duration ms: 181022
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
isrc code: VNA2B2500982
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T17:23:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcf586e025f4432eec461ce50c8405bff0360aef1d95c27f04839790049296d02
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500982
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf586e025f4432eec461ce50c8405bff0360aef1d95c27f04839790049296d02. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500982.
  date published: 2026-07-03T23:28:02Z
audio: Hôn Sâu 3 Phút - Khi Cô Đơn Em Nhớ Ai
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.991
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.752
  additional property: Energy
    type: PropertyValue
    value: 0.413
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.622
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.608
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.624
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.243
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Gặp Lại Nhau
type: MusicRecording
duration: PT3M26S
duration ms: 206286
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
isrc code: VNA2B2500983
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T21:06:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2303318d24ee333d673c37b49ba1269adc3c567072f6afe5b22e87d0f3c1f341
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500983
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2303318d24ee333d673c37b49ba1269adc3c567072f6afe5b22e87d0f3c1f341. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/VNA2B2500983.
  date published: 2026-07-05T04:47:21Z
audio: Gặp Lại Nhau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.015
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.425
  additional property: Energy
    type: PropertyValue
    value: 0.116
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.956
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.136
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.705
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Ngày Anh Đến - Đã Từng Có Nhau
type: MusicRecording
duration: PT4M24S
duration ms: 264986
explicit: false
by artist: Lưu Bích
in album: Giao Lộ Thời Gian - Tập 11
  type: MusicAlbum
  date published: 2025-05-23
audio: Ngày Anh Đến - Đã Từng Có Nhau
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.88
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.634
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.872
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.499
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.128
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.964
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tình Tuyệt Diệu
type: MusicRecording
duration: PT4M12S
duration ms: 252653
explicit: false
by artist: Lưu Bích
in album: Angel
  type: MusicAlbum
  date published: 2011-01-01
isrc code: QM7281994557
audio: Tình Tuyệt Diệu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.613
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.718
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.069
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.103
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.305
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tình Yêu Đánh Rơi
type: MusicRecording
duration: PT3M25S
duration ms: 205773
explicit: false
by artist: Lưu Bích
in album: Tên Sở Khanh
  type: MusicAlbum
  date published: 2013-01-01
isrc code: QMBZ91913707
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T22:19:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x564d0b860e6a102d3470b035e4295ba9b745c37309963f902eedcfad8da4c580
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91913707
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x564d0b860e6a102d3470b035e4295ba9b745c37309963f902eedcfad8da4c580. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91913707.
  date published: 2026-07-08T03:22:41Z
audio: Tình Yêu Đánh Rơi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 156.072
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.675
  additional property: Energy
    type: PropertyValue
    value: 0.772
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.105
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.824
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.578
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Em Vẫn Buồn Như Xưa
type: MusicRecording
duration: PT4M10S
duration ms: 250373
explicit: false
by artist: Lưu Bích
in album: Lột Xác
  type: MusicAlbum
  date published: 2013-01-01
isrc code: QMBZ91913816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-23T17:07:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa859cb576723413d809a9c86ed21a39d465ef78808f140c9e5c2199147b8f896
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91913816
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa859cb576723413d809a9c86ed21a39d465ef78808f140c9e5c2199147b8f896. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91913816.
  date published: 2026-07-02T05:09:12Z
audio: Em Vẫn Buồn Như Xưa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 113.934
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.798
  additional property: Energy
    type: PropertyValue
    value: 0.753
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.067
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.851
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.699
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tạm Biệt Tình Yêu
type: MusicRecording
duration: PT5M20S
duration ms: 320133
explicit: false
by artist: Nguyễn Hưng
by artist: Lưu Bích
in album: Người Tình Trăm Năm
  type: MusicAlbum
  date published: 2012-01-01
isrc code: QMBZ91914006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:59:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x080acde157a21344296f9046a133d7032f5cbd8b6c62d2e257d04d4a1f09a76d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91914006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x080acde157a21344296f9046a133d7032f5cbd8b6c62d2e257d04d4a1f09a76d. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMBZ91914006.
  date published: 2026-07-08T08:56:20Z
audio: Tạm Biệt Tình Yêu
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.689
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.608
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.415
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.358
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.532
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.092
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Anh Đi Qua Để Lại
type: MusicRecording
duration: PT4M1S
duration ms: 241560
explicit: false
by artist: Lưu Bích
in album: Lắng Nghe Thời Gian
  type: MusicAlbum
  date published: 2013-01-01
isrc code: QMFMG1378440
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-18T21:25:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe221cd5ae976265f2d7dec66992090d7143b8a9f60f2c6c2e75ca8612a81d0c6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1378440
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe221cd5ae976265f2d7dec66992090d7143b8a9f60f2c6c2e75ca8612a81d0c6. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QMFMG1378440.
  date published: 2026-07-02T03:55:08Z
audio: Anh Đi Qua Để Lại
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.462
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.541
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.177
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.32
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.683
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Có Duyên Không Phận
type: MusicRecording
duration: PT4M32S
duration ms: 272586
explicit: false
by artist: Lưu Bích
by artist: Trịnh Lam
in album: Tận Cùng Nỗi Đau
  type: MusicAlbum
  date published: 2019-01-01
isrc code: QM48F1961007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:18:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e8527252253c95cfc0d37a269b216aa36e30ece084b263e1128650c29961538
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1961007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e8527252253c95cfc0d37a269b216aa36e30ece084b263e1128650c29961538. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1961007.
  date published: 2026-06-13T15:41:10Z
audio: Có Duyên Không Phận
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 131.576
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.636
  additional property: Energy
    type: PropertyValue
    value: 0.602
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.541
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.49
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.402
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

LK The Uptight
type: MusicRecording
duration: PT11M36S
duration ms: 696013
explicit: false
by artist: Khánh Hà
by artist: Lưu Bích
by artist: Thuy Anh
by artist: Tuấn Ngọc
in album: Cho Ta Lại Gần Nhau
  type: MusicAlbum
  date published: 2019-01-01
isrc code: QM48F1961910
audio: LK The Uptight
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 116.35
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.388
  additional property: Energy
    type: PropertyValue
    value: 0.528
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.753
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.23
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.894
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Khoảnh Khắc
type: MusicRecording
duration: PT4M36S
duration ms: 276266
explicit: false
by artist: Thanh Hà
by artist: Nguyễn Hồng Nhung
by artist: Lưu Bích
by artist: Ngọc Anh
in album: Dạ Khúc Nửa Vầng Trăng
  type: MusicAlbum
  date published: 2018-01-01
isrc code: QM48F1860305
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T06:15:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdc2f7ceaffcd5fc89bc65735f9e6553b79c155982bbfa20bf0d4858c2a2df4c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956894
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/956894
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1860305
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T07:53:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc2f7ceaffcd5fc89bc65735f9e6553b79c155982bbfa20bf0d4858c2a2df4c0. Chain 2 (Bitcoin): anchored in block 956894 (2026-07-06T07:53:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM48F1860305.
  date published: 2026-07-06T07:53:57Z
audio: Khoảnh Khắc
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 144.88
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.398
  additional property: Energy
    type: PropertyValue
    value: 0.569
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.305
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.26
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.082
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Yêu dấu đừng xa
type: MusicRecording
duration: PT4M3S
duration ms: 243240
explicit: false
by artist: Lưu Bích
in album: Dạ Vũ Nhạc Trẻ 7
  type: MusicAlbum
  date published: 1996-01-01
isrc code: QZGCD1800130
audio: Yêu dấu đừng xa
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 122.073
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.68
  additional property: Energy
    type: PropertyValue
    value: 0.511
  additional property: Speechiness
    type: PropertyValue
    value: 0.025
  additional property: Acousticness
    type: PropertyValue
    value: 0.17
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.353
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.222
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Mỗi người một giấc mơ
type: MusicRecording
duration: PT3M47S
duration ms: 227973
explicit: false
by artist: Lưu Bích
in album: Dạ Vũ Nhạc Trẻ 7
  type: MusicAlbum
  date published: 1996-01-01
isrc code: QZGCD1800137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:24:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x19e270d7a7feff9fb5e9cf3fd910c97575dc36b8e71b0afe0ca56a09d06319fd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1800137
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x19e270d7a7feff9fb5e9cf3fd910c97575dc36b8e71b0afe0ca56a09d06319fd. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGCD1800137.
  date published: 2026-06-13T17:25:41Z
audio: Mỗi người một giấc mơ
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.375
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.599
  additional property: Energy
    type: PropertyValue
    value: 0.457
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.479
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.568
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.409
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.733
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major