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genre: classical
genre: classical piano
description: Jan Lisiecki (; born March 23, 1995) is a Canadian classical pianist. He performs internationally with orchestras and conductors. He has been a recording artist for Deutsche Grammophon since the age o
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  track: Piano Concerto in A Minor, Op. 54: III. Allegro vivace
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  track: Introduction & Allegro "Konzertstück", Op. 92: I. Introduction
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  track: Introduction & Allegro "Konzertstück", Op. 92: II. Allegro appassionato
  track: Concert Allegro with Introduction, Op. 134
  track: Kinderszenen, Op. 15: VII. Träumerei
  track: 3 Romances, Op. 28: No. 2 in F-Sharp Major. Einfach
album: Beethoven: Complete Piano Concertos (Live at Konzerthaus Berlin / 2018)
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album: Chopin: Works For Piano & Orchestra
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Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Andante spianato. Tranquillo - Semplice
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Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
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Piano Concerto No. 1 in G Minor, Op. 25, MWV O7: II. Andante
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Piano Concerto No. 1 in G Minor, Op. 25, MWV O7: III. Presto. Molto allegro e vivace
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Variations sérieuses, Op. 54, MWV U156: Tema. Andante sostenuto
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Variations sérieuses, Op. 54, MWV U156: Variation I
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Variations sérieuses, Op. 54, MWV U156: Variation XVII
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Piano Concerto No. 2 in D Minor, Op. 40, MWV O11: I. Allegro appassionato
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Piano Concerto No. 2 in D Minor, Op. 40, MWV O11: II. Adagio. Molto sostenuto
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Rondo capriccioso in E Major, Op. 14, MWV U67: II. Presto leggiero
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Nocturnes, Op. 9: No. 1 in B Flat Minor. Larghetto
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
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Nocturnes, Op. 9: No. 2 in E Flat Major. Andante
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by artist: Jan Lisiecki
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 9: No. 2 in E Flat Major. Andante
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Nocturnes, Op. 9: No. 3 in B Major. Allegretto
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by artist: Jan Lisiecki
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popularity: 30
genre: classical
genre: early-romantic-era
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T17:25:41Z
audio: Nocturnes, Op. 9: No. 3 in B Major. Allegretto
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Nocturnes, Op. 15: No. 1 in F Major. Andante cantabile
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by artist: Jan Lisiecki
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 15: No. 1 in F Major. Andante cantabile
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Nocturnes, Op. 15: No. 2 in F Sharp Major. Larghetto
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by artist: Jan Lisiecki
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popularity: 29
genre: classical
genre: early-romantic-era
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 15: No. 2 in F Sharp Major. Larghetto
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Nocturnes, Op. 15: No. 3 in G Minor. Lento
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popularity: 29
genre: classical
genre: early-romantic-era
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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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additional property: TokenDeploymentConfirmed
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 15: No. 3 in G Minor. Lento
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.111
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.266
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nocturnes, Op. 27: No. 1 in C Sharp Minor. Larghetto
type: MusicRecording
duration: PT5M50S
duration ms: 350226
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 29
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:32:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcadb088ea90f50250447672fc4478116643132150d9e261114a0d389166b6c95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcadb088ea90f50250447672fc4478116643132150d9e261114a0d389166b6c95. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN962005051.
  date published: 2026-06-13T12:53:06Z
audio: Nocturnes, Op. 27: No. 1 in C Sharp Minor. Larghetto
  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
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.897
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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    value: 0.04
  additional property: Loudness (dB)
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    value: -26.759
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  additional property: Mode Name
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Nocturnes, Op. 32: No. 1 in B Major. Andante sostenuto
type: MusicRecording
duration: PT5M35S
duration ms: 335760
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 34
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005061
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T09:52:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b7dadb1d2c89f41d088417eee8b7a017049c08893d8a400a68a6a0c5ed2848e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005061
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953536
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T17:25:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b7dadb1d2c89f41d088417eee8b7a017049c08893d8a400a68a6a0c5ed2848e. 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/DEN962005061.
  date published: 2026-06-13T17:25:41Z
audio: Nocturnes, Op. 32: No. 1 in B Major. Andante sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.528
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.29
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.093
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.57
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 32: No. 2 in A Flat Major. Lento
type: MusicRecording
duration: PT5M53S
duration ms: 353733
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 27
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005062
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T11:50:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa3d1a67e853b9c8967de12f0a7e625e3978514801ff29502bad4a6f674f78202
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005062
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa3d1a67e853b9c8967de12f0a7e625e3978514801ff29502bad4a6f674f78202. 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/DEN962005062.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 32: No. 2 in A Flat Major. Lento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.556
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.025
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.885
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.147
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.072
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 37: No. 1 in G Minor. Andante sostenuto
type: MusicRecording
duration: PT7M46S
duration ms: 466933
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 26
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T22:12:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe32333fbbc6fb59e44c963aa73014b8083ea6b8092d8af84fe7c4d0dce98bee1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005071
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe32333fbbc6fb59e44c963aa73014b8083ea6b8092d8af84fe7c4d0dce98bee1. 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/DEN962005071.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 37: No. 1 in G Minor. Andante sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.076
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.473
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.921
  additional property: Liveness
    type: PropertyValue
    value: 0.052
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.569
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 37: No. 2 in G Major. Andantino
type: MusicRecording
duration: PT5M57S
duration ms: 357826
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 25
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005072
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:51:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab09600ec0b68e0eef240f25e14eddc327499f137db46cab4a4edec98d1f27aa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005072
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab09600ec0b68e0eef240f25e14eddc327499f137db46cab4a4edec98d1f27aa. 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/DEN962005072.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 37: No. 2 in G Major. Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 147.389
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.345
  additional property: Energy
    type: PropertyValue
    value: 0.018
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.098
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -33.538
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
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Nocturnes, Op. 48: No. 1 in C Minor. Lento
type: MusicRecording
duration: PT5M48S
duration ms: 348653
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 28
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:30:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf0ccb421377c9879bd2c73824d2c925d05a5bf00090424381ede77f61d28e925
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005081
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0ccb421377c9879bd2c73824d2c925d05a5bf00090424381ede77f61d28e925. 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/DEN962005081.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 48: No. 1 in C Minor. Lento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.545
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.358
  additional property: Energy
    type: PropertyValue
    value: 0.07
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.886
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.932
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Nocturnes, Op. 48: No. 2 in F Sharp Minor. Andantino
type: MusicRecording
duration: PT9M35S
duration ms: 575373
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 25
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:53:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4e8cb7b8134820962a808f19bd9f5a4a03a670cf2463e2466f1fe01e0742f281
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005082
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e8cb7b8134820962a808f19bd9f5a4a03a670cf2463e2466f1fe01e0742f281. 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/DEN962005082.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 48: No. 2 in F Sharp Minor. Andantino
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  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
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.347
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.926
  additional property: Liveness
    type: PropertyValue
    value: 0.08
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Nocturnes, Op. 55: No. 1 in F Minor. Andante
type: MusicRecording
duration: PT5M12S
duration ms: 312493
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 26
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T05:50:34+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd6ab0e46525dc8594d8fca14da44241c30b2a33020424c1e297c94135ee30247
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953528
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005091
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953528
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T15:41:10+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6ab0e46525dc8594d8fca14da44241c30b2a33020424c1e297c94135ee30247. 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/DEN962005091.
  date published: 2026-06-13T15:41:10Z
audio: Nocturnes, Op. 55: No. 1 in F Minor. Andante
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 98.532
  additional property: Musical Key
    type: PropertyValue
    value: 5
  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: 0.278
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.94
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Nocturnes, Op. 55: No. 2 in E Flat Major. Lento sostenuto
type: MusicRecording
duration: PT5M21S
duration ms: 321493
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 24
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:07:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x94ffb20f1162eb67a86665457c155f28e8415072e9478b63b55fbd8890e4e84e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005092
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953536
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T17:25:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ffb20f1162eb67a86665457c155f28e8415072e9478b63b55fbd8890e4e84e. 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/DEN962005092.
  date published: 2026-06-13T17:25:41Z
audio: Nocturnes, Op. 55: No. 2 in E Flat Major. Lento sostenuto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.559
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  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
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.754
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 62: No. 1 in B Major. Andante
type: MusicRecording
duration: PT7M49S
duration ms: 469146
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 23
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005101
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T15:05:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd2642dea72fbf72a0dd6641d1a7859b0e38015cb4cd7bc66ee611f464125501e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005101
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953536
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T17:25:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd2642dea72fbf72a0dd6641d1a7859b0e38015cb4cd7bc66ee611f464125501e. 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/DEN962005101.
  date published: 2026-06-13T17:25:41Z
audio: Nocturnes, Op. 62: No. 1 in B Major. Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.759
  additional property: Musical Key
    type: PropertyValue
    value: 11
  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: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.006
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.085
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.875
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
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Nocturne in C Minor, KK IVb/8
type: MusicRecording
duration: PT3M34S
duration ms: 214613
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 25
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T23:29:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf01d8f106cf6ca72e5d06534908f0e71865cea6f37014a6f7192724c62ce740d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953536
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005120
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 → 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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953536
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T17:25:41+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf01d8f106cf6ca72e5d06534908f0e71865cea6f37014a6f7192724c62ce740d. 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/DEN962005120.
  date published: 2026-06-13T17:25:41Z
audio: Nocturne in C Minor, KK IVb/8
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.071
  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: 0.225
  additional property: Energy
    type: PropertyValue
    value: 0.003
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.945
  additional property: Liveness
    type: PropertyValue
    value: 0.066
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.148
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.115
  additional property: Key Name
    type: PropertyValue
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  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nocturne in C Sharp Minor, KK IVa/16
type: MusicRecording
duration: PT5M1S
duration ms: 301013
explicit: false
by artist: Frédéric Chopin
by artist: Jan Lisiecki
in album: Chopin: Complete Nocturnes
  type: MusicAlbum
  date published: 2021-08-13
popularity: 27
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: DEN962005130
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T15:27:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x481dc7b27b47e44e890079d3c37795fb431eb2dac626094d7944c83bd00c3960
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953515
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN962005130
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953515
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T12:53:06+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481dc7b27b47e44e890079d3c37795fb431eb2dac626094d7944c83bd00c3960. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/DEN962005130.
  date published: 2026-06-13T12:53:06Z
audio: Nocturne in C Sharp Minor, KK IVa/16
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.358
  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: 0.23
  additional property: Energy
    type: PropertyValue
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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
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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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  additional property: Mode Name
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Acousticness
type: PropertyValue
value: 0.985

Instrumentalness
type: PropertyValue
value: 0.913

Liveness
type: PropertyValue
value: 0.089

Valence (Positivity)
type: PropertyValue
value: 0.04

Loudness (dB)
type: PropertyValue
value: -30.766

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Introduction & Allegro "Konzertstück", Op. 92: II. Allegro appassionato
type: MusicRecording
duration: PT11M33S
duration ms: 693826
explicit: false
by artist: Robert Schumann
by artist: Jan Lisiecki
by artist: Orchestra dell'Accademia Nazionale di Santa Cecilia
by artist: Antonio Pappano
in album: Schumann
  type: MusicAlbum
  date published: 2016-01-08
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: DEN961501392
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T02:48:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x12a1793b7999e06c9cd12e6792cbc7491fcb36f0dd74838639df1e385833e0f5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957124
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961501392
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 → 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
subject of: OpenTimestamps Proof of Existence
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Concert Allegro with Introduction, Op. 134
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Kinderszenen, Op. 15: VII. Träumerei
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3 Romances, Op. 28: No. 2 in F-Sharp Major. Einfach
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track: Piano Concerto No. 2 in B-Flat Major, Op. 19: I. Allegro con brio - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
track: Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio - Live at Konzerthaus Berlin / 2018
track: Piano Concerto No. 3 in C Minor, Op. 37: I. Allegro con brio - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
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track: Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
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track: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro - Live at Konzerthaus Berlin / 2018
track: Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": III. Rondo. Allegro - Live at Konzerthaus Berlin / 2018

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Piano Concerto No. 2 in B-Flat Major, Op. 19: I. Allegro con brio - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 2 in B-Flat Major, Op. 19: II. Adagio - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 3 in C Minor, Op. 37: I. Allegro con brio - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 3 in C Minor, Op. 37: II. Largo - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 3 in C Minor, Op. 37: III. Rondo. Allegro - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 4 in G Major, Op. 58: I. Allegro moderato - Cadenza: Ludwig van Beethoven - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 4 in G Major, Op. 58: II. Andante con moto - Live at Konzerthaus Berlin / 2018
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Piano Concerto No. 5 in E-Flat Major, Op. 73 "Emperor": I. Allegro - Live at Konzerthaus Berlin / 2018
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track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
track: Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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  date published: 2026-07-02T03:55:08Z
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
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  date published: 2026-07-02T03:55:08Z
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Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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  date published: 2026-07-02T03:55:08Z
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Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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Nocturne in C-Sharp Minor, Op. Posth.
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Kinderszenen, Op. 15: I. Von fremden Ländern und Menschen
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Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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Lagrima
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto - Live
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21 Hungarian Dances, WoO 1: No. 5 in G Minor (Orch. Schmeling)
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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The Boys from The East - Pt. 1
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Lieder ohne Worte I, Op. 19b: IV. Moderato, MWV U73
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Variations on "La ci darem la mano", Op. 2: Thema. Allegretto
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Concerto grosso in G , Op. 3/3 , RV 310 - (Arr. by P.H. Jensen): 2. Largo
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Violin Concerto No. 2 in B Minor, Op. 7, MS. 48: III. Rondo à la clochette "La campanella". Allegretto moderato - Excerpt
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Analog Love - Unplugged
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Your Heart is Melting
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Contredanse in C Major. La Bataille, K. 535
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Piano Sonata No. 30 in E Major, Op. 109: IIIc. Var. 2. Leggiermente
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Divertimento in B Flat Major, K. 137: III. Allegro assai
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Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song"
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Good Morning, Mr. Correa - Unplugged / Live (Pt. 1)
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Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo
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Les petits riens, Ballet, K. 299b: No. 1, Larghetto
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Nocturne No. 21 in C minor, Op. posth.
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Theme From Jurassic Park - From "Jurassic Park" Soundtrack
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Sonata In G Minor For Cello & Piano, Op. 65: 3. Largo
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subject of: OpenTimestamps Proof of Existence
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12 Études, Op. 10: No. 3 in E Major
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subject of: OpenTimestamps Proof of Existence
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Nocturne in C-Sharp Minor, KK IVa No. 16
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subject of: OpenTimestamps Proof of Existence
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Nocturne No. 15 in F Minor, Op. 55 No. 1
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Nocturne No. 15 in F Minor, Op. 55 No. 1
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24 Préludes, Op. 28: No. 19 in E-Flat Major. Vivace - 1974 Recording
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  date published: 2026-07-08T03:22:41Z
audio: 24 Préludes, Op. 28: No. 19 in E-Flat Major. Vivace - 1974 Recording
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Nocturne No. 11 In G Minor, Op. 37 No. 1
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audio: Nocturne No. 11 In G Minor, Op. 37 No. 1
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24 Preludes, Op. 28: No. 15 in D Flat Major. Sostenuto "Raindrop"
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  date published: 2026-07-08T03:22:41Z
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Waltz No. 12 in F Minor, Op. 70 No. 2
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12 Études, Op. 25: No. 1 in A-Flat Major "Harp Study"
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24 Preludes, Op. 28: No. 7 in A Major. Andantino
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Mazurka No. 11 In E Minor Op. 17 No. 2
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Música Clásica Para Leer
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OpenTimestamps Proof of Existence
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date published: 2026-07-07T16:07:00Z

Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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subject of: OpenTimestamps Proof of Existence
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Turandot, Act III: Nessun dorma!
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subject of: OpenTimestamps Proof of Existence
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Notturno for Strings and Harp
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audio: Notturno for Strings and Harp
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La traviata / Act 1: Libiamo ne'lieti calici
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  date published: 2026-07-08T03:22:41Z
audio: La traviata / Act 1: Libiamo ne'lieti calici
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Come, Sweet Death, BWV 478 (Arr. for 5 Cellos)
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Nocturne No. 1 in E Flat Major, H.24
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Carmen Suite No. 1: 5. Les toréadors
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Suite bergamasque, L. 75: III. Clair de lune
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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Concerto grosso in G Minor, Op. 6 No. 8, "Christmas Concerto": Adagio (Arr. Davies, Gordon and Tognetti)
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Après un rêve, Op. 7, No. 1 (Arr. Piano)
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Piano Concerto No. 3 in C, Op. 26: 1. Andante - Allegro
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Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –
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Canon and Gigue in D Major, P 37: I. Canon
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subject of: OpenTimestamps Proof of Existence
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Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Rinaldo / Act 2: Lascia ch'io pianga
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Rinaldo / Act 2: Lascia ch'io pianga
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Variations on a Theme of Chopin, Op. 22: Variation No. 16 Lento
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Pavane, Op. 50
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  date published: 2026-07-08T03:53:27Z
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Berceuse in D-Flat Major, Op. 57
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L'isle joyeuse, L. 106
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subject of: OpenTimestamps Proof of Existence
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Classical Class Vol 9
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    date published: 2026-07-08T08:56:20Z
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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track: How Deep Is Your Love
track: Jazz Suite No. 2: VI. Waltz II
track: Seven Nation Army
track: 13 Pieces for Piano, Op. 76: II. Etude
track: Kabhi Khushi Kabhie Gham
track: If Only
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Gnossienne No. 1 (Arr. Kleynjans)
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How Deep Is Your Love
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  date published: 2026-07-08T03:20:19Z
audio: How Deep Is Your Love
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subject of: OpenTimestamps Proof of Existence
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Seven Nation Army
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13 Pieces for Piano, Op. 76: II. Etude
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Kabhi Khushi Kabhie Gham
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If Only
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The Mass
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Mendelssohn
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track: Variations sérieuses, Op. 54, MWV U156: Tema. Andante sostenuto
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track: Variations sérieuses, Op. 54, MWV U156: Variation XI: Cantabile
track: Variations sérieuses, Op. 54, MWV U156: Variation XIII: Sempre assai leggiero
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track: Piano Concerto No. 2 in D Minor, Op. 40, MWV O11: I. Allegro appassionato
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track: Piano Concerto No. 2 in D Minor, Op. 40, MWV O11: III. Finale. Presto scherzando
track: Rondo capriccioso in E Major, Op. 14, MWV U67: I. Andante
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track: Lieder ohne Worte, Op. 19: No. 6 in G Minor (Andante sostenuto) "Venetian Gondola Song", MWV U78

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OpenTimestamps Proof of Existence
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date published: 2026-07-02T03:30:09Z

Variations sérieuses, Op. 54, MWV U156: Variation X: Moderato
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Variations sérieuses, Op. 54, MWV U156: Variation XI: Cantabile
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Variations sérieuses, Op. 54, MWV U156: Variation XIII: Sempre assai leggiero
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Variations sérieuses, Op. 54, MWV U156: Variation XIV: Adagio
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Variations sérieuses, Op. 54, MWV U156: Variation XV: Poco a poco più agitato
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Piano Concerto No. 2 in D Minor, Op. 40, MWV O11: III. Finale. Presto scherzando
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Rondo capriccioso in E Major, Op. 14, MWV U67: I. Andante
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Lieder ohne Worte, Op. 19: No. 6 in G Minor (Andante sostenuto) "Venetian Gondola Song", MWV U78
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Nocturne No. 19 in E Minor, Op. 72, No. 1
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Berceuse in D Flat Major, Op. 57
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Nocturne No. 8 In D Flat, Op. 27 No. 2 - 2005 Recording
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12 Études, Op. 10: No. 3 in E Major
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Nocturne in C-Sharp Minor, KK IVa No. 16
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Nocturne No. 15 in F Minor, Op. 55 No. 1
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24 Préludes, Op. 28: No. 19 in E-Flat Major. Vivace - 1974 Recording
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