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type: MusicGroup
genre: classical
popularity: 22
followers: 68
additional property: CopyrightID
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: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/24fe0b74-8314-46e5-b71b-915b1f625fe0.ots
additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSCanonicalRecord
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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 → 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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  date published: 2026-06-12T19:24:56Z
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track: Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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  duration: PT10M31S
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  by artist: Niccolò Paganini
  by artist: Hilary Hahn
  by artist: Swedish Radio Symphony Orchestra
  by artist: Eije Oue
  in album: Retrospective
    type: MusicAlbum
    date published: 2018-01-19
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  additional property: CopyrightID
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    type: PropertyValue
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  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960500723
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T06:56:49Z
  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 0x26f8c48e69266f48f21c8bf4a964a7e641886f507e076a7dd641a3e6082df9ef. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/DEN960500723.
    date published: 2026-07-06T06:56:49Z
  audio: Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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    additional property: Tempo (BPM)
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track: Violin Concerto No. 1 in D Major, Op. 6: I. Allegro maestoso
  type: MusicRecording
  duration: PT21M38S
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  by artist: Niccolò Paganini
  by artist: Émile Sauret
  by artist: Salvatore Accardo
  by artist: Hilary Hahn
  by artist: Swedish Radio Symphony Orchestra
  by artist: Eije Oue
  in album: Paganini / Spohr: Violin Concertos incld. Listening Guide
    type: MusicAlbum
    date published: 2006-01-01
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
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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
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    date published: 2026-07-02T03:55:08Z
  audio: Violin Concerto No. 1 in D Major, Op. 6: I. Allegro maestoso
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track: Violin Concerto No. 1 in D Major, Op. 6: II. Adagio
track: Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): I. Recitative - Allegro molto
track: Violin Concerto No. 8 in A minor, Op. 47 (Im Form einer Gesangsszene): 2. Adagio - Andante
track: Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): III. Allegro moderato

Liveness
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Valence (Positivity)
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Violin Concerto No. 1 in D Major, Op. 6: II. Adagio
type: MusicRecording
duration: PT5M40S
duration ms: 340000
explicit: false
by artist: Niccolò Paganini
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Eije Oue
in album: Paganini / Spohr: Violin Concertos incld. Listening Guide
  type: MusicAlbum
  date published: 2006-01-01
isrc code: DEN960500722
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-29T13:21:01Z
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 0x21b200b4f1c8aa929d9b93e0009bb3bf7c02f911a9b8f547e55bfdfb8468e277. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/DEN960500722.
  date published: 2026-07-29T13:21:01Z
audio: Violin Concerto No. 1 in D Major, Op. 6: II. Adagio
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  additional property: Tempo (BPM)
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  additional property: Acousticness
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Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
type: MusicRecording
duration: PT10M26S
duration ms: 626000
explicit: false
by artist: Niccolò Paganini
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Eije Oue
in album: Paganini / Spohr: Violin Concertos incld. Listening Guide
  type: MusicAlbum
  date published: 2006-01-01
isrc code: DEN960500723
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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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/DEN960500723
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26f8c48e69266f48f21c8bf4a964a7e641886f507e076a7dd641a3e6082df9ef. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/DEN960500723.
  date published: 2026-06-13T13:32:09Z
audio: Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): I. Recitative - Allegro molto
type: MusicRecording
duration: PT4M5S
duration ms: 245000
explicit: false
by artist: Louis Spohr
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Eije Oue
in album: Paganini / Spohr: Violin Concertos incld. Listening Guide
  type: MusicAlbum
  date published: 2006-01-01
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additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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
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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
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0289ef447566128961c436e1287b9492c3981a3a25893ec644333497e9592530. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), 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/DEN960600831.
  date published: 2026-07-29T21:09:47Z
audio: Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): I. Recitative - Allegro molto
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Violin Concerto No. 8 in A minor, Op. 47 (Im Form einer Gesangsszene): 2. Adagio - Andante
type: MusicRecording
duration: PT7M44S
duration ms: 464000
explicit: false
by artist: Louis Spohr
by artist: Hilary Hahn
by artist: Swedish Radio Symphony Orchestra
by artist: Eije Oue
in album: Paganini / Spohr: Violin Concertos incld. Listening Guide
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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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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Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): III. Allegro moderato
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Violin Concerto No. 1 in D Major, Op. 6: I. Allegro maestoso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
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Violin Concerto No. 1 in D Major, Op. 6: II. Adagio
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  date published: 2026-07-22T14:03:35Z
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Violin Concerto No. 1 in D Major, Op. 6: III. Rondo (Allegro spirituoso)
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subject of: OpenTimestamps Proof of Existence
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Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): I. Recitative - Allegro molto
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  date published: 2026-07-29T19:35:34Z
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Violin Concerto No. 8 in A minor, Op. 47 (Im Form einer Gesangsszene): 2. Adagio - Andante
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Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): III. Allegro moderato
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additional property: OTSBitcoinBlock
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  value: 960209
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960209
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN960600833
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T05:15:54Z
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 0x298e2b96de2bdd41655578b1629c4f2104985c26619619cda987fc398c32cc8d. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), 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/DEN960600833.
  date published: 2026-07-30T05:15:54Z
audio: Violin Concerto No. 8 in A Minor, Op. 47 (Im Form einer Gesangsszene): III. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 134.281
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.374
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.044
  additional property: Acousticness
    type: PropertyValue
    value: 0.907
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.042
  additional property: Liveness
    type: PropertyValue
    value: 0.106
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.269
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.034
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor