Pieter Wispelwey
type: MusicGroup
genre: chamber music
description: right|thumb|350px|Pieter Wispelwey accompanied by Dejan Lazic, picture: Fai Ho Pieter Wispelwey (born 25 September 1962) is a Dutch cellist. In 1992, he was the first cellist to receive the Netherla
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album: Kodály, Escher, Crumb, Cello Solo Sonatas
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  date published: 1992-02-01
album: Dvořák: Concerto for Cello and Orchestra in B Minor
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  track: Requiem for Cello Alone: IV. Lacrimosa
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  track: Requiem for Cello Alone: VI. Lux aeterna
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album: Dvořák: Concerto for Cello & Orchestra, etc
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album: Shostakovich / Prokofiev / Britten: Sonatas For Cello And Piano
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album: Franck & Brahms: Cello Sonatas
album: Shostakovich: Cello Concerto No. 1 - Kodály: Sonata for Cello Solo, Op. 8
album: Shostakovich: Concerto No. 2 in G Major for Cello and Orchestra, Op. 126 - Britten: Third Suite for Cello Solo, Op. 87
album: Shostakovich: Cello Concerto No. 2 in G Major, Op. 126 - Britten: Cello Suite No. 3, Op. 87
album: Walton Cello Concerto
album: Prokofiev: Sinfonia Concertante, Tcherepnin: Suite for Cello, Crumb: Sonata for Cello
album: Mendelssohn & Chopin: Cello Sonatas
album: Lalo & Saint Saëns: Cello Concertos
album: Lalo & Saint Saëns: cello concertos
album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
album: F. Schubert, J. Brahms: The Complete Duos - Opus 100
album: F. Schubert & J. Brahms: The Complete Duos - Coda
album: In Memoriam II: The Scordatura Album

Song Without Words in D, Op. 109
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  date published: 2026-07-08T03:20:19Z
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Waltzes, Op. 64: No.2 in C-sharp Minor
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  date published: 2026-08-01T03:13:03Z
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Fantasy in C for Cello and Piano, D. 934: Andante molto
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  date published: 2026-07-08T03:20:19Z
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Second Suite for Cello Solo Op. 131C: No. 2, Largo
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41+00:00
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: 957120
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:22:41+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 0x9ab5938a2542a7932d677be5c7aafd65881dd0387e06b6df34b68b42e5e1a6cb. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/BEY681500028.
  date published: 2026-07-08T03:39:04Z
audio: Second Suite for Cello Solo Op. 131C: No. 2, Largo
  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
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.964
  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonatina in G minor for Cello and Piano, D. 408: Allegro giusto
type: MusicRecording
duration: PT3M29S
duration ms: 209493
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
isrc code: BEY681500029
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T19:36:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2f12dd9fd38de6a7a1ccb7ac04af559a17c8889ef9454bc1bf08dd1360a751cb
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/BEY681500029
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
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: 957124
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T03:53:27+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 0x2f12dd9fd38de6a7a1ccb7ac04af559a17c8889ef9454bc1bf08dd1360a751cb. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/BEY681500029.
  date published: 2026-07-08T03:53:27Z
audio: Sonatina in G minor for Cello and Piano, D. 408: Allegro giusto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 137.84
  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
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.463
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.396
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.546
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Sonatina in G minor for Cello and Piano, D. 408: Andante
type: MusicRecording
duration: PT3M30S
duration ms: 210893
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
isrc code: BEY681500030
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:49:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x175172c9171605d7a49b509e7e95a8776122098862ee6db915dd83f42743fe1f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957145
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957145
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681500030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T08:56:20Z
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: 957145
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-08T08:56:20+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 0x175172c9171605d7a49b509e7e95a8776122098862ee6db915dd83f42743fe1f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/BEY681500030.
  date published: 2026-07-08T08:56:20Z
audio: Sonatina in G minor for Cello and Piano, D. 408: Andante
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.905
  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: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.023
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.568
  additional property: Liveness
    type: PropertyValue
    value: 0.189
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.238
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.273
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Fantasy in C for Cello and Piano, D. 934: Allegretto
type: MusicRecording
duration: PT5M45S
duration ms: 345880
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c0e0934e79a7a282cd77ade3c12c4f46be694d8f4b5964a3db1b3cf76204c0b. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/BEY681500021.
  date published: 2026-07-31T02:19:15Z
audio: Fantasy in C for Cello and Piano, D. 934: Allegretto
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.931
  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: 0.498
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.906
  additional property: Liveness
    type: PropertyValue
    value: 0.09
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.519
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.066
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor
isrc code: BEY681500021
additional property: CopyrightID
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: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681500021
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
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

Fantasy in C for Cello and Piano, D. 934: Andantino
type: MusicRecording
duration: PT10M28S
duration ms: 628720
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481a2252c236571e26b0bde115a55d937654124b65f7dde1cde379b0d735fed1. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/BEY681500022.
  date published: 2026-07-31T02:19:15Z
audio: Fantasy in C for Cello and Piano, D. 934: Andantino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.943
  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: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.204
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.983
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.838
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.228
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.02
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BEY681500022
additional property: CopyrightID
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: 960334
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681500022
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960334
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T02:19:15+00:00
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

Fantasy in C for Cello and Piano, D. 934: Allegro vivace
type: MusicRecording
duration: PT5M52S
duration ms: 352813
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b1b5e6e3e3d3e783f48decdd3cb8b15c42b2039b5159464bd6072fcd4be4c1e. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), 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/BEY681500023.
  date published: 2026-08-01T01:44:32Z
audio: Fantasy in C for Cello and Piano, D. 934: Allegro vivace
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.461
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.365
  additional property: Energy
    type: PropertyValue
    value: 0.236
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.893
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.197
  additional property: Loudness (dB)
    type: PropertyValue
    value: -17.946
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BEY681500023
additional property: CopyrightID
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: 960494
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-08-01T01:44:32+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681500023
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960494
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960494
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T01:44:32+00:00
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

First Suite for Cello Solo Op. 131C: No. 1, Adagio
type: MusicRecording
duration: PT5M8S
duration ms: 308360
explicit: false
by artist: Pieter Wispelwey
in album: F. Schubert, J. Brahms: The Complete Duos - Phantasie
  type: MusicAlbum
  date published: 2015-04-20
genre: chamber music
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89273d5ac904ac1ecbb6cae6f37c2ccd120d613c5d70c344ba6131abc027750. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/BEY681500024.
  date published: 2026-07-31T15:20:15Z
audio: First Suite for Cello Solo Op. 131C: No. 1, Adagio
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.972
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.155
  additional property: Energy
    type: PropertyValue
    value: 0.046
  additional property: Speechiness
    type: PropertyValue
    value: 0.048
  additional property: Acousticness
    type: PropertyValue
    value: 0.975
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.532
  additional property: Liveness
    type: PropertyValue
    value: 0.092
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.063
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.197
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major
isrc code: BEY681500024
additional property: CopyrightID
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: 960418
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/BEY681500024
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15+00:00
additional property: OTSVerifyInstructions
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Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Allegro amabile
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Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Allegro appassionato
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Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Andante con moto
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Sonatina in G minor for Cello and Piano, D. 408: Allegro moderato
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Dvořák: Concerto for Cello & Orchestra, etc
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Hindemith-Sessions-Ligeti
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Schumann & Hindemith
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Poulenc / Fauré / Chopin: Pieter Wispelwey and Paolo Giacometti
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J.S. Bach: Gamba Sonatas
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Tchaikovsky / Saint-Saëns / Bruch
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Sonatas
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Solo Cello Sonatas
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Shostakovich, Prokofiev & Britten: Sonatas for Cello and Piano
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Shostakovich / Prokofiev / Britten: Sonatas For Cello And Piano
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Franck & Brahms: Cello Sonatas
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Shostakovich: Cello Concerto No. 1 - Kodály: Sonata for Cello Solo, Op. 8
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Shostakovich: Cello Concerto No. 2 in G Major, Op. 126 - Britten: Cello Suite No. 3, Op. 87
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Walton Cello Concerto
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Prokofiev: Sinfonia Concertante, Tcherepnin: Suite for Cello, Crumb: Sonata for Cello
type: MusicAlbum
date published: 2009-07-01

Mendelssohn & Chopin: Cello Sonatas
type: MusicAlbum
date published: 2011-10-03
track: Song Without Words in D, Op. 109
track: Waltzes, Op. 64: No.2 in C-sharp Minor

Lalo & Saint Saëns: Cello Concertos
type: MusicAlbum
date published: 2013-05-06

Lalo & Saint Saëns: cello concertos
type: MusicAlbum
date published: 2013-05-06

F. Schubert, J. Brahms: The Complete Duos - Phantasie
type: MusicAlbum
date published: 2015-04-20
track: Fantasy in C for Cello and Piano, D. 934: Andante molto
track: Second Suite for Cello Solo Op. 131C: No. 2, Largo
track: Sonatina in G minor for Cello and Piano, D. 408: Allegro giusto
track: Sonatina in G minor for Cello and Piano, D. 408: Andante
track: Fantasy in C for Cello and Piano, D. 934: Allegretto
track: Fantasy in C for Cello and Piano, D. 934: Andantino
track: Fantasy in C for Cello and Piano, D. 934: Allegro vivace
track: First Suite for Cello Solo Op. 131C: No. 1, Adagio
track: Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Allegro amabile
track: Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Allegro appassionato
track: Sonata in E-flat Major for Cello and Piano Op. 120: No. 2, Andante con moto
track: Sonatina in G minor for Cello and Piano, D. 408: Allegro moderato

F. Schubert, J. Brahms: The Complete Duos - Opus 100
type: MusicAlbum
date published: 2016-11-04

F. Schubert & J. Brahms: The Complete Duos - Coda
type: MusicAlbum
date published: 2019-05-03

In Memoriam II: The Scordatura Album
type: MusicAlbum
date published: 2023-10-06