Eriko Uegaki
type: MusicGroup
popularity: 12
followers: 576
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additional property: OTSVerifyInstructions
  type: PropertyValue
  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
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2efa8df7d59011594001ea71203ae8757a5c813021e2fecb8bf91af9f56c8747. Chain 2 (Bitcoin): anchored in block 953687 (2026-06-14T20:19:15Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/67b2322e-5b03-492e-a884-4e9aebd8cfd5.json and https://artists.proofprofile.net/proofs/artist/67b2322e-5b03-492e-a884-4e9aebd8cfd5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T20:19:15Z
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album: Ephemeral piece
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  date published: 2022-05-21
  track: étoile
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  track: Garden
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  track: black swallowtail butterfly
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  track: capriccio calico
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  track: rain
  track: on the petal
  track: prayer
  track: bloom
  track: arigatou
  track: apple
album: Reverie
album: .I
album: THE CHRISTMAS SONG/Starry sky
track: étoile
track: Garden
track: black swallowtail butterfly
track: capriccio calico
track: rain
track: on the petal
track: prayer
track: bloom
track: arigatou
track: apple
track: Reverie op.1
track: Reverie op.2
track: Reverie op.3
track: Reverie op.4
track: Reverie op.5
track: Reverie op.6
track: Reverie op.7
track: Reverie op.8
track: Reverie op.9
track: Reverie op.10

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rain
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on the petal
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prayer
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bloom
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arigatou
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apple
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isrc code: TCJPT2276064
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Reverie
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track: Reverie op.1
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track: Reverie op.2
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track: Reverie op.3
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track: Reverie op.4
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track: Reverie op.5
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track: Reverie op.6
track: Reverie op.7
track: Reverie op.8
track: Reverie op.9
track: Reverie op.10
track: Mirror

上柿絵梨子
type: MusicGroup

Eriko Uegaki
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Reverie
type: MusicAlbum
date published: 2021-01-29

Reverie op.5
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additional property: Tempo (BPM)
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Reverie op.6
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Reverie op.7
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Reverie op.8
type: MusicRecording
duration: PT8M13S
duration ms: 493440
explicit: false
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Reverie op.9
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Reverie op.10
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explicit: false
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Mirror
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duration: PT1M21S
duration ms: 81240
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.I
type: MusicAlbum
date published: 2017-12-10
track: prelude
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track: a.m.
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track: dew
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track: gâteaux
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track: heart
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    type: MusicAlbum
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  audio: heart
track: rain
track: noir
track: coffee
track: good bye

heart
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rain
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noir
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duration ms: 200320
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isrc code: JPB671803283
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coffee
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duration ms: 152960
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isrc code: JPB671803284
audio: coffee
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good bye
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duration ms: 71760
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THE CHRISTMAS SONG/Starry sky
type: MusicAlbum
date published: 1970-01-01
track: THE CHRISTMAS SONG - Cover
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  isrc code: TCJPT2285002
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      value: 0.08
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      type: PropertyValue
      value: 0.124
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      value: -33.882
track: starry sky
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étoile
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duration: PT1M39S
duration ms: 99292
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  date published: 2022-05-21
isrc code: TCJPT2275152
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Garden
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duration: PT3M10S
duration ms: 190846
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  date published: 2022-05-21
isrc code: TCJPT2275161
audio: Garden
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black swallowtail butterfly
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isrc code: TCJPT2275165
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capriccio calico
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duration ms: 228450
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rain
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duration ms: 193100
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on the petal
type: MusicRecording
duration: PT5M35S
duration ms: 335224
explicit: false
by artist: Eriko Uegaki
in album: Ephemeral piece
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isrc code: TCJPT2276023
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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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    value: 0.802
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    value: 0.119
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    value: 0.092
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    value: -34.108

prayer
type: MusicRecording
duration: PT2M11S
duration ms: 131000
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  date published: 2022-05-21
isrc code: TCJPT2276028
audio: prayer
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    value: 69.113
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    value: 7
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    value: 4
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    value: 0.291
  additional property: Energy
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    value: 0.001
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    value: 0.109
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    value: 0.994
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    value: 0.905
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    value: 0.205
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    value: 0.302
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    value: -35.097

bloom
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duration ms: 258433
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isrc code: TCJPT2276051
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    value: 0.356
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    value: 0.038
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    value: 0.073
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    value: -29.571

arigatou
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duration: PT1M13S
duration ms: 73208
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isrc code: TCJPT2276057
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    value: 0.521
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    value: 0.121
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    value: 0.995
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    value: 0.979
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    value: 0.095
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    value: 0.285
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    value: -32.078

apple
type: MusicRecording
duration: PT2M55S
duration ms: 175618
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by artist: Eriko Uegaki
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  type: MusicAlbum
  date published: 2022-05-21
isrc code: TCJPT2276064
audio: apple
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    value: 107.726
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    value: 8
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    value: 1
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    value: 4
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    value: 0.46
  additional property: Energy
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    value: 0.141
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    value: 0.041
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    value: 0.96
  additional property: Instrumentalness
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    value: 0.869
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    value: 0.128
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    value: 0.165
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    value: -23.625

Reverie op.1
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duration: PT5M19S
duration ms: 319706
explicit: false
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by artist: Eriko Uegaki
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    value: 1
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    value: 0.343
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    value: 0.031
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    value: 0.04
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    type: PropertyValue
    value: 0.982
  additional property: Instrumentalness
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    value: 0.951
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    value: 0.18
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    value: 0.202
  additional property: Loudness (dB)
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    value: -20.092

Reverie op.2
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duration: PT6M39S
duration ms: 399653
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by artist: Eriko Uegaki
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    value: 1
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    value: 0.201
  additional property: Energy
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    value: 0.013
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    value: 0.043
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    value: 0.986
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    type: PropertyValue
    value: 0.79
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    value: 0.085
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    value: 0.07
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    value: -26.095

Reverie op.3
type: MusicRecording
duration: PT7M53S
duration ms: 473826
explicit: false
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by artist: Eriko Uegaki
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isrc code: JPB672104134
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    value: 4
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    value: 0.241
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    value: 0.042
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    value: 0.987
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    value: 0.867
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    value: 0.283
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    value: 0.117
  additional property: Loudness (dB)
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    value: -24.286

Reverie op.4
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duration: PT6M33S
duration ms: 393386
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by artist: Eriko Uegaki
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audio: Reverie op.4
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    value: 0.305
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    value: 0.907
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    value: 0.34
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    value: 0.039
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    value: -30.179

Reverie op.5
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duration: PT7M45S
duration ms: 465520
explicit: false
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by artist: Eriko Uegaki
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isrc code: JPB672104136
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    value: 0.239
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    value: 0.854
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    value: 0.327
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    value: 0.12
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    value: -24.912

Reverie op.6
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duration: PT8M19S
duration ms: 499426
explicit: false
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by artist: Eriko Uegaki
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isrc code: JPB672104137
audio: Reverie op.6
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    value: 10
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    value: 0.049
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    value: 0.889
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  additional property: Loudness (dB)
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    value: -21.3

Reverie op.7
type: MusicRecording
duration: PT5M15S
duration ms: 315066
explicit: false
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by artist: Eriko Uegaki
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isrc code: JPB672104138
audio: Reverie op.7
  type: AudioObject
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    value: 68.085
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    value: 1
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    value: 0.347
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    value: 0.053
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    value: 0.994
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    value: 0.934
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    value: 0.278
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    value: 0.394
  additional property: Loudness (dB)
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    value: -26.968

Reverie op.8
type: MusicRecording
duration: PT8M13S
duration ms: 493440
explicit: false
by artist: 上柿絵梨子
by artist: Eriko Uegaki
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  type: MusicAlbum
  date published: 2021-01-29
isrc code: JPB672104139
audio: Reverie op.8
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 67.946
  additional property: Musical Key
    type: PropertyValue
    value: 4
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    value: 1
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    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.371
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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    type: PropertyValue
    value: 0.994
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    type: PropertyValue
    value: 0.876
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    value: 0.104
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    value: 0.077
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    value: -27.696

Reverie op.9
type: MusicRecording
duration: PT7M54S
duration ms: 474906
explicit: false
by artist: 上柿絵梨子
by artist: Eriko Uegaki
in album: Reverie
  type: MusicAlbum
  date published: 2021-01-29
isrc code: JPB672104140
audio: Reverie op.9
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 174.072
  additional property: Musical Key
    type: PropertyValue
    value: 6
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    value: 0.271
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    type: PropertyValue
    value: 0.986
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    type: PropertyValue
    value: 0.877
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    value: 0.237
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    type: PropertyValue
    value: 0.193
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.412

Reverie op.10
type: MusicRecording
duration: PT8M13S
duration ms: 493640
explicit: false
by artist: 上柿絵梨子
by artist: Eriko Uegaki
in album: Reverie
  type: MusicAlbum
  date published: 2021-01-29
isrc code: JPB672104141
audio: Reverie op.10
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 66.704
  additional property: Musical Key
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    value: 0.92
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  additional property: Valence (Positivity)
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    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.367