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type: MusicGroup
description: Jason Benjamin Grant, a music historian, is most known for his work uncovering lost music by Telemann and Bach. He studied at Bates College and then at the University of Pittsburgh, where he obtaine
popularity: 2
followers: 9
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  by artist: Mary Phillips
  by artist: Nancy Maultsby
  by artist: Anthony Dean Griffey
  by artist: Wolfgang Schöne
  by artist: Jason Grant
  by artist: Christine Brewer
  by artist: New York Choral Artists
  by artist: The Dessoff Symphonic Choir
  by artist: Lorin Maazel
  by artist: New York Philharmonic
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-30T12:45:34Z
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  by artist: Christine Brewer
  by artist: Nancy Gustafson
  by artist: Mary Phillips
  by artist: Nancy Maultsby
  by artist: Anthony Dean Griffey
  by artist: Wolfgang Schöne
  by artist: Jason Grant
  by artist: Lorin Maazel
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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track: Symphony No. 8: I - III. Infirma nostri corporis - Live
track: Symphony No. 8: I - IV. Accende lumen sensibus - Live
track: Symphony No. 8: I - V. Veni, creator spiritus - Live
track: Symphony No. 8: I - VI. Gloria Patri Domino - Live
track: Symphony No. 8: II - I. Poco adagio - Live
track: Symphony No. 8: II - XIII. Alles Vergängliche - Live

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Symphony No. 8: I - III. Infirma nostri corporis - Live
type: MusicRecording
duration: PT7M21S
duration ms: 441686
explicit: false
by artist: Gustav Mahler
by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Christine Brewer
by artist: Nancy Gustafson
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
by artist: Wolfgang Schöne
by artist: Jason Grant
by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
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  date published: 2009-08-25
genre: classical
genre: orchestra
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 8: I - III. Infirma nostri corporis - Live
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Symphony No. 8: I - IV. Accende lumen sensibus - Live
type: MusicRecording
duration: PT5M34S
duration ms: 334897
explicit: false
by artist: Gustav Mahler
by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Brooklyn Youth Chorus
by artist: Christine Brewer
by artist: Nancy Gustafson
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
by artist: Wolfgang Schöne
by artist: Jason Grant
by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
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  date published: 2009-08-25
genre: classical
genre: orchestra
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T16:07:24Z
audio: Symphony No. 8: I - IV. Accende lumen sensibus - Live
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Symphony No. 8: I - V. Veni, creator spiritus - Live
type: MusicRecording
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duration ms: 305422
explicit: false
by artist: Gustav Mahler
by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Brooklyn Youth Chorus
by artist: Christine Brewer
by artist: Nancy Gustafson
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
by artist: Wolfgang Schöne
by artist: Jason Grant
by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
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  date published: 2009-08-25
genre: classical
genre: orchestra
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additional property: CopyrightID
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T19:53:13Z
audio: Symphony No. 8: I - V. Veni, creator spiritus - Live
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Symphony No. 8: I - VI. Gloria Patri Domino - Live
type: MusicRecording
duration: PT2M57S
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explicit: false
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by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Brooklyn Youth Chorus
by artist: Christine Brewer
by artist: Nancy Gustafson
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
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by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
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  date published: 2009-08-25
genre: classical
genre: orchestra
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e157d742d9cefa64d1278ebbef10c43eaddf9ebe7ce44d739899c65d8091c12. Chain 2 (Bitcoin): anchored in block 960410 (2026-07-31T13:50:38Z), 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/US25T0914301.
  date published: 2026-07-31T13:50:38Z
audio: Symphony No. 8: I - VI. Gloria Patri Domino - Live
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  additional property: Mode (Major/Minor)
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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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    value: 0.764
  additional property: Liveness
    type: PropertyValue
    value: 0.101
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.195
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.829
  additional property: Key Name
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  additional property: Mode Name
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Symphony No. 8: II - I. Poco adagio - Live
type: MusicRecording
duration: PT12M2S
duration ms: 722730
explicit: false
by artist: Gustav Mahler
by artist: Nancy Gustafson
by artist: Jeanine De Bique
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
by artist: Wolfgang Schöne
by artist: Jason Grant
by artist: Christine Brewer
by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
  type: MusicAlbum
  date published: 2009-08-25
genre: classical
genre: orchestra
isrc code: US25T0914302
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25T0914302
additional property: OTSTimestamp
  type: PropertyValue
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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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa498aa5757bc16c855fe8777d7562e14eb4ed60cc1a45e1829b9dfa0f000acd1. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/US25T0914302.
  date published: 2026-07-08T03:20:19Z
audio: Symphony No. 8: II - I. Poco adagio - Live
  type: AudioObject
  additional property: Tempo (BPM)
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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: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.279
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.815
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Symphony No. 8: II - XIII. Alles Vergängliche - Live
type: MusicRecording
duration: PT6M44S
duration ms: 404799
explicit: false
by artist: Gustav Mahler
by artist: New York Choral Artists
by artist: The Dessoff Symphonic Choir
by artist: Brooklyn Youth Chorus
by artist: Christine Brewer
by artist: Nancy Gustafson
by artist: Mary Phillips
by artist: Nancy Maultsby
by artist: Anthony Dean Griffey
by artist: Wolfgang Schöne
by artist: Jason Grant
by artist: Lorin Maazel
by artist: New York Philharmonic
in album: Mahler: Symphony No. 8
  type: MusicAlbum
  date published: 2009-08-25
genre: classical
genre: orchestra
isrc code: US25T0914314
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T04:06:56+00:00
additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US25T0914314
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 → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf87bd5967aafad2b714a8e1209d18f3193d13628e2a93c5bc48a63a6eeaf195d. 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/US25T0914314.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 8: II - XIII. Alles Vergängliche - Live
  type: AudioObject
  additional property: Tempo (BPM)
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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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.671
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
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  additional property: Mode Name
    type: PropertyValue
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