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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8de7552676cb9352c648b90edd2bfa11df5f4a737a1dd7da07d280a7fe4239a4. Chain 2 (Bitcoin): anchored in block 954516 (2026-06-20T07:04:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a1a66ee2-7f7e-49f2-94ec-f55f8d5af5fb.json and https://artists.proofprofile.net/proofs/artist/a1a66ee2-7f7e-49f2-94ec-f55f8d5af5fb.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T07:04:44Z
album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
  track: Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: i. Chromatic Fantasia (BWV903)
  track: Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: ii. Fugue (BWV948)
  track: Italian Concerto, BWV971: ii. Andante
  track: Italian Concerto, BWV971: iii. Presto
  track: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: v. Allegro poco: Aria di Postiglione
  track: French Suite No. 3 in B Minor BWV814: ii. Courante
  track: Italian Concerto, BWV971: i. Allegro
  track: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: i. Arioso (Adagio): Ist eine Schmeichelung der Freunde, um denselben von seiner Reise abzuhalten (His friends t
  track: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: ii. Andante: Ist eine Vorstellung unterschiedlicher Casuum, die ihm in der Fremde konnten vorfallen (They tell
  track: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: iii. Adagiosissimo: Ist ein allgemeines Lamento der Freunde (The general lament of his friends)
  track: Sonatina, from Cantata No. 106 "Gottes Zeit ist die allerbeste Zeit (Trinity), BWV106," arr. Friskin
  track: Toccata in C Minor, BWV911
  track: French Suite No. 3 in B Minor BWV814: i. Allemande
  track: French Suite No. 3 in B Minor BWV814: iii. Sarabande

Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: i. Chromatic Fantasia (BWV903)
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by artist: James Friskin
in album: Bigger Bach Set
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popularity: 3
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: i. Chromatic Fantasia (BWV903)
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Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: ii. Fugue (BWV948)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Transcribed in the Light of Harpsichord Technique (Bach's "Chromatic Fantasy & Fugue"), for piano: ii. Fugue (BWV948)
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Italian Concerto, BWV971: ii. Andante
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  date published: 2026-07-08T03:53:27Z
audio: Italian Concerto, BWV971: ii. Andante
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Italian Concerto, BWV971: iii. Presto
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  date published: 2026-07-08T03:20:19Z
audio: Italian Concerto, BWV971: iii. Presto
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Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: v. Allegro poco: Aria di Postiglione
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  date published: 2026-07-08T03:20:19Z
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French Suite No. 3 in B Minor BWV814: ii. Courante
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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additional property: ContentHash
additional property: BitcoinBlock
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additional property: BitcoinTime
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: French Suite No. 3 in B Minor BWV814: ii. Courante
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Italian Concerto, BWV971: i. Allegro
type: MusicRecording
duration: PT4M12S
duration ms: 252041
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f9e98e7384fb894665b25b60d5cca4520c3dd30bf1af30dd8b24a8397bde0a8. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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/USKO11300831.
  date published: 2026-07-31T15:59:18Z
audio: Italian Concerto, BWV971: i. Allegro
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isrc code: USKO11300831
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: i. Arioso (Adagio): Ist eine Schmeichelung der Freunde, um denselben von seiner Reise abzuhalten (His friends t
type: MusicRecording
duration: PT1M49S
duration ms: 109025
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 3
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9febf1eeb2e16380b702c6731c77a36abce57139ad7fbd69ef6e36e884cd31d. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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/USKO11300834.
  date published: 2026-07-31T13:04:34Z
audio: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: i. Arioso (Adagio): Ist eine Schmeichelung der Freunde, um denselben von seiner Reise abzuhalten (His friends t
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  additional property: Danceability
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isrc code: USKO11300834
additional property: CopyrightID
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additional property: BitcoinTime
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additional property: OTSVerificationAPI
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: ii. Andante: Ist eine Vorstellung unterschiedlicher Casuum, die ihm in der Fremde konnten vorfallen (They tell
type: MusicRecording
duration: PT1M17S
duration ms: 77240
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7df7ac10eb6fa2a9e3ed348bf8f9afd712c5995039761da370996e24e67cc27e. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USKO11300835.
  date published: 2026-07-31T19:53:13Z
audio: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: ii. Andante: Ist eine Vorstellung unterschiedlicher Casuum, die ihm in der Fremde konnten vorfallen (They tell
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  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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isrc code: USKO11300835
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: iii. Adagiosissimo: Ist ein allgemeines Lamento der Freunde (The general lament of his friends)
type: MusicRecording
duration: PT2M27S
duration ms: 147913
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 3
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1876356b5ade5c936dbc57c1259232526840ebef6243afb1c2e777397b032861. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/USKO11300836.
  date published: 2026-07-31T18:48:12Z
audio: Capriccio on the Departing of his Most Beloved Brother in B-flat Major, BWV992: iii. Adagiosissimo: Ist ein allgemeines Lamento der Freunde (The general lament of his friends)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Sonatina, from Cantata No. 106 "Gottes Zeit ist die allerbeste Zeit (Trinity), BWV106," arr. Friskin
type: MusicRecording
duration: PT2M47S
duration ms: 167653
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 6
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc511ffe65441435549323b88b95ea0e5583ad10ff34f5c02a1d85e598ac61fe9. Chain 2 (Bitcoin): anchored in block 960352 (2026-07-31T05:48:30Z), 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/USKO11300840.
  date published: 2026-07-31T05:48:30Z
audio: Sonatina, from Cantata No. 106 "Gottes Zeit ist die allerbeste Zeit (Trinity), BWV106," arr. Friskin
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isrc code: USKO11300840
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

Toccata in C Minor, BWV911
type: MusicRecording
duration: PT10M6S
duration ms: 606533
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 3
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6dd40c96eda185def00b1927925ddeba73798d18b20e27c57da4e02c5edd2c3c. Chain 2 (Bitcoin): anchored in block 960422 (2026-07-31T15:27:29Z), 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/USKO11300841.
  date published: 2026-07-31T15:27:29Z
audio: Toccata in C Minor, BWV911
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  additional property: Danceability
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  additional property: Acousticness
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  additional property: Loudness (dB)
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additional property: ContentHash
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

French Suite No. 3 in B Minor BWV814: i. Allemande
type: MusicRecording
duration: PT2M7S
duration ms: 127902
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
  type: MusicAlbum
  date published: 2013-03-26
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T23:30:38Z
audio: French Suite No. 3 in B Minor BWV814: i. Allemande
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additional property: OTSVerifyInstructions
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French Suite No. 3 in B Minor BWV814: iii. Sarabande
type: MusicRecording
duration: PT2M35S
duration ms: 155884
explicit: false
by artist: Bach
by artist: James Friskin
in album: Bigger Bach Set
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  date published: 2013-03-26
popularity: 2
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-08-01T01:44:32Z
audio: French Suite No. 3 in B Minor BWV814: iii. Sarabande
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