Chiaki Oka
type: MusicGroup
genre: enka
genre: kayokyoku
popularity: 22
followers: 827
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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 artist 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 0xd387bc14ebee4fa92984f3f8b68f937c35e5d2828507d43a950fd79c0181e981. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/37c5d67e-e4cf-4149-92f6-abaa20196f7a.json and https://artists.proofprofile.net/proofs/artist/37c5d67e-e4cf-4149-92f6-abaa20196f7a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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album: 包丁一代
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  date published: 1988-10-21
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  track: 今度の女房
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album: 隅田川慕情
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  track: 隅田川慕情
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album: 二人三脚 / なるようになるんだ この人生
album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
album: 岡千秋 魂の唄Ⅶ～この魂に、唄に、酔う～
track: 二人三脚
track: 女郎花
track: なるようになるんだ この人生
track: 雪国恋人形
track: おけさ恋歌
track: 絆道
track: 涙川
track: 新宿しぐれ
track: 隅田川慕情
track: 大阪つばめ
track: 高瀬川慕情
track: そのわけは旭川
track: 命の花道
track: ひとり酔いたくて
track: もののふの花
track: 命の恋
track: 丹後なみだ駅
track: 夢落葉
track: 星空のむこう側
track: 竹の花

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二人三脚 / なるようになるんだ この人生
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track: なるようになるんだ この人生
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track: 二人三脚 - オリジナル・カラオケ
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track: 二人三脚 - 女性用カラオケ 岡千秋の歌入り
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track: 二人三脚 - 男性用カラオケ 大城バネサの歌入り
track: なるようになるんだ この人生 - 女性用カラオケ 岡千秋の歌入り
track: なるようになるんだ この人生 - 男性用カラオケ 大城バネサの歌入り

二人三脚 - 女性用カラオケ 岡千秋の歌入り
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二人三脚 - 男性用カラオケ 大城バネサの歌入り
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なるようになるんだ この人生 - 女性用カラオケ 岡千秋の歌入り
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なるようになるんだ この人生 - 男性用カラオケ 大城バネサの歌入り
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作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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date published: 2020-11-04
track: 玄界灘に春がくる
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track: 噂の湘南漁師町
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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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track: 居酒屋「雨やどり」
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  duration ms: 243560
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    date published: 2020-11-04
  isrc code: JPCR02004180
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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: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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track: 長良川悲恋
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    type: MusicAlbum
    date published: 2020-11-04
  isrc code: JPCR02004190
  audio: 長良川悲恋
track: おけさ恋歌
track: 丹後なみだ駅
track: 能取岬
track: 冬嵐
track: 竹の花
track: 夢落葉
track: 涙川
track: 命の恋
track: もののふの花
track: ひとり酔いたくて
track: 女郎花
track: 湯島天神おんな坂
track: Tono3（ト・ノ・ミ）

長良川悲恋
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additional property: Speechiness
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additional property: Loudness (dB)
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おけさ恋歌
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duration: PT4M23S
duration ms: 263133
explicit: false
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  date published: 2020-11-04
isrc code: JPCR02004200
audio: おけさ恋歌
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  additional property: Energy
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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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    value: -11.165

丹後なみだ駅
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duration: PT4M22S
duration ms: 262240
explicit: false
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in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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  date published: 2020-11-04
isrc code: JPCR02004210
audio: 丹後なみだ駅
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Liveness
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  additional property: Valence (Positivity)
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    value: 0.209
  additional property: Loudness (dB)
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    value: -11.016

能取岬
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duration: PT4M3S
duration ms: 243693
explicit: false
by artist: Chiaki Oka
in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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  date published: 2020-11-04
isrc code: JPCR02004220
audio: 能取岬
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  additional property: Tempo (BPM)
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    value: 108.367
  additional property: Musical Key
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  additional property: Time Signature
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  additional property: Danceability
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    value: 0.414
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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    value: 0.096
  additional property: Valence (Positivity)
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    value: 0.238
  additional property: Loudness (dB)
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    value: -12.961

冬嵐
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duration: PT4M24S
duration ms: 264666
explicit: false
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in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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  date published: 2020-11-04
isrc code: JPCR02004230
audio: 冬嵐
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    value: 4
  additional property: Danceability
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  additional property: Energy
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  additional property: Valence (Positivity)
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    value: -10.73

竹の花
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duration: PT3M54S
duration ms: 234973
explicit: false
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  date published: 2020-11-04
isrc code: JPCR02004250
audio: 竹の花
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -9.7

夢落葉
type: MusicRecording
duration: PT4M39S
duration ms: 279680
explicit: false
by artist: Chiaki Oka
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  type: MusicAlbum
  date published: 2020-11-04
isrc code: JPCR02004260
audio: 夢落葉
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  additional property: Tempo (BPM)
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    value: 120.268
  additional property: Musical Key
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    value: 10
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.442
  additional property: Energy
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    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
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    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.378
  additional property: Loudness (dB)
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    value: -11.179

涙川
type: MusicRecording
duration: PT4M13S
duration ms: 253306
explicit: false
by artist: Chiaki Oka
in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
  type: MusicAlbum
  date published: 2020-11-04
isrc code: JPCR02004270
audio: 涙川
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  additional property: Tempo (BPM)
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    value: 138.321
  additional property: Musical Key
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    value: 9
  additional property: Mode (Major/Minor)
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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: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
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    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.755

命の恋
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duration: PT4M6S
duration ms: 246160
explicit: false
by artist: Chiaki Oka
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  date published: 2020-11-04
isrc code: JPCR02004280
audio: 命の恋
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  additional property: Musical Key
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  additional property: Time Signature
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  additional property: Danceability
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    value: 0.427
  additional property: Energy
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    value: 0.352
  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: 0.094
  additional property: Valence (Positivity)
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    value: 0.321
  additional property: Loudness (dB)
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    value: -12.003

もののふの花
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duration: PT4M40S
duration ms: 280573
explicit: false
by artist: Chiaki Oka
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  type: MusicAlbum
  date published: 2020-11-04
isrc code: JPCR02004290
audio: もののふの花
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  additional property: Tempo (BPM)
    type: PropertyValue
    value: 69.604
  additional property: Musical Key
    type: PropertyValue
    value: 9
  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: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -10.545

ひとり酔いたくて
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duration: PT3M37S
duration ms: 217360
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by artist: Chiaki Oka
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  date published: 2020-11-04
isrc code: JPCR02004300
audio: ひとり酔いたくて
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    value: 72.823
  additional property: Musical Key
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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: Liveness
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    value: -11.415

女郎花
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duration: PT4M33S
duration ms: 273733
explicit: false
by artist: Chiaki Oka
in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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  date published: 2020-11-04
isrc code: JPCR02004310
audio: 女郎花
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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    value: -12.242

湯島天神おんな坂
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duration: PT4M24S
duration ms: 264586
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  date published: 2020-11-04
isrc code: JPCR02004240
audio: 湯島天神おんな坂
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  additional property: Tempo (BPM)
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    value: 129.415
  additional property: Musical Key
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    value: 0.169
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    value: -11.608

Tono3（ト・ノ・ミ）
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duration: PT3M57S
duration ms: 237053
explicit: false
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  date published: 2020-11-04
isrc code: JPCR02004320
audio: Tono3（ト・ノ・ミ）
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  additional property: Danceability
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岡千秋 魂の唄Ⅶ～この魂に、唄に、酔う～
type: MusicAlbum
date published: 2023-04-05
track: 命の花道
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  duration ms: 296760
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    date published: 2023-04-05
  isrc code: JPCR02300040
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    additional property: Musical Key
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track: 星空のむこう側
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    date published: 2023-04-05
  isrc code: JPCR02300110
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track: 憂愁海峡
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  duration: PT4M40S
  duration ms: 280573
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  isrc code: JPCR02300050
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track: 雪国恋人形
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track: 高瀬川慕情
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  audio: 高瀬川慕情
track: 新宿しぐれ
track: 群青の弦
track: 大阪つばめ
track: そのわけは旭川
track: 桜色のオ・ヴォワ
track: 北の果て…
track: 春待ちしぐれ
track: 那智の恋滝
track: ふるさと山河
track: 高知 いの町 仁淀川
track: 道頓堀川
track: 日本一やで
track: Tono3 (ニュー・ヴァージョン)

高瀬川慕情
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新宿しぐれ
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群青の弦
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大阪つばめ
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そのわけは旭川
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桜色のオ・ヴォワ
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北の果て…
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春待ちしぐれ
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那智の恋滝
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ふるさと山河
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高知 いの町 仁淀川
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道頓堀川
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日本一やで
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Tono3 (ニュー・ヴァージョン)
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二人三脚
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女郎花
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なるようになるんだ この人生
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雪国恋人形
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おけさ恋歌
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in album: 作曲家生活50周年記念 岡千秋 魂の唄Ⅵ ～この魂に、唄に、酔う～
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絆道
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涙川
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新宿しぐれ
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隅田川慕情
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大阪つばめ
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高瀬川慕情
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そのわけは旭川
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命の花道
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ひとり酔いたくて
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もののふの花
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命の恋
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丹後なみだ駅
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isrc code: JPCR02004210
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夢落葉
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isrc code: JPCR02004260
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星空のむこう側
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竹の花
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