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genre: requiem
description: Bernd Alois Zimmermann (20 March 1918 – 10 August 1970) was a German composer. He is perhaps best known for his opera Die Soldaten, which is regarded as one of the most important German operas of the
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album: Zimmermann: Cello, Oboe and Trumpet Concertos; Canto di speranza
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  date published: 1993-07-01
album: Bernd Alois Zimmermann - Recomposed, Vol. 1
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  date published: 2022-10-07
album: Zimmermann: Canto di speranza / Violin Concerto
  type: MusicAlbum
  date published: 2008-11-14
album: Bernd Alois Zimmermann: Concerto Pour Violoncello
  type: MusicAlbum
  date published: 2012-08-17
album: Friedrich: The Trumpet Collection
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album: Fearless
album: Martinu, B. / Zimmermann, B.A. / Strauss, R.: Oboe Concertos
album: Zimmermann: Présence; Perspektiven; Intercomunicazione; Monologe
album: Bernd Alois Zimmermann: Lieder und frühe Kammermusik
album: Complices
album: Zimmermann, B.A.: Fromme Helene (Die) / Rheinische Kirmestanze / Smetana, B.: The Bartered Bride
album: Zimmermann: Alagoana, Sinfonie in einem Satz, Photoptosis & Stille und Umkehr
album: Darmstadt Aural Documents, Box 4: Pianists
album: Günter Wand: The Radio Recordings
album: Allusions and Beyond (Transcriptions and Transformations for Piano Duo)
album: Zimmermann: Violin Concerto, Photoptosis, Die Soldaten Vocal Symphony
album: Michael Gielen Edition, Vol. 10 (Live)
album: Bernd Alois Zimmermann: Chamber Music
album: Bernd Alois Zimmermann: Présence / Intercommunicazione
album: Zimmermann: Complete Works for Piano
album: Zimmermann: Sinfonie in einem Satz (1. Fassung)
album: B.A. Zimmermann: Complete Works for Piano Solo
album: Zimmermann: Music for Cello and Piano
album: Zimmermann: Die Soldaten
album: Zimmermann: Un petit rien / Das Gelb und das Grün / Omnia tempus habent / Metamorphose
album: Zimmermann: The Piano Works
album: Bernd Alois Zimmermann: Märchensuite / Canto di speranza / Impromptu / Alagoana. Caprichos Brasileiros
album: Zimmermann: Dialoge Monologe Perspektiven Photoptosis
album: Zimmermann: Présence; Intercomunicazione
album: Bernd Alois Zimmermann: Requiem für einen jungen Dichter
album: Zimmermann: Ekklesiastische Aktion and Sonatas for Violin, Viola & Cello
album: Stravinsky, I.: Concerto for Piano and Wind Instruments / Zimmermann, B. / Fortner, W.: Symphony / Ligeti, G.: Lontano
album: Bach & Friends
album: Famous Works for Piano Duo
album: Intercomunicazione - Cello Recital
album: Trio Gaspard Live in Berlin
album: J.S. Bach / B.A. Zimmermann
album: Artefacts
album: Alto / Multiples
album: Nobody Knows

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track: Trumpet Concerto in E Flat, H.VIIe/1: 2. Andante
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  subject of: OpenTimestamps Proof of Existence
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track: Trumpet Concerto in E Flat, H.VIIe/1: 3. Finale. Allegro
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track: Trumpet Concerto in D: 1. Andante
track: Trumpet Concerto in D: 2. Allegro moderato
track: Nobody Knows The Trouble I've Seen

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date published: 2026-07-29T19:35:34Z

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Trumpet Concerto in D: 2. Allegro moderato
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Nobody Knows The Trouble I've Seen
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Martinu, B. / Zimmermann, B.A. / Strauss, R.: Oboe Concertos
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Zimmermann: Présence; Perspektiven; Intercomunicazione; Monologe
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Bernd Alois Zimmermann: Lieder und frühe Kammermusik
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Complices
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track: Hungarian Dances, WoO 1: II. Allegro non assai in D Minor (Arr. for cello and piano)
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  audio: Hungarian Dances, WoO 1: II. Allegro non assai in D Minor (Arr. for cello and piano)
track: Valse triste (Arr. for cello and piano)
track: Spanish Dances, Op. 54: II. Serenade. Allegro moderato
track: Elfentanz, Op. 39
track: 6 Morceaux, Op. 51: VI. Valse sentimentale in F Minor. Tempo di Valse (Arr. for cello and piano)
track: 10 Klavierstücken: VIII. Imitating Albéniz. Con Passion (Arr. for cello and piano)
track: Nocturnes, Op. 9: II. Andante in E-Flat Major (Arr. for cello and piano)
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track: Le Carnaval des animaux, R. 125: XIII. Le Cygne. Andantino grazioso
track: Léocadia, FP. 106: Les Chemins de l'amour (Arr. for cello and piano)
track: Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello)
track: Symphony No. 13 in C Major, Hob. II:47 "Toy Symphony": Adagio

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Hungarian Dances, WoO 1: II. Allegro non assai in D Minor (Arr. for cello and piano)
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Valse triste (Arr. for cello and piano)
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  value: https://explorer.copyrightchains.com/tx/0xaa3db7b2a46205b6d43c581c8119e37929507efe4575e570106c36fd22c64b15
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957120
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957120
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa3db7b2a46205b6d43c581c8119e37929507efe4575e570106c36fd22c64b15. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879040.
  date published: 2026-07-08T03:22:41Z
audio: Valse triste (Arr. for cello and piano)
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 166.957
  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: 0.169
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.793
  additional property: Liveness
    type: PropertyValue
    value: 0.094
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.108
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.548
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Spanish Dances, Op. 54: II. Serenade. Allegro moderato
type: MusicRecording
duration: PT2M57S
duration ms: 177196
explicit: false
by artist: David Popper
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
genre: czech-classical
genre: post-romantic-era
isrc code: FR7JM1879050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T08:31:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdab846a203af2963a92e20d43f542579c2492e9e388ac4db7f9a6218215d0a5f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdab846a203af2963a92e20d43f542579c2492e9e388ac4db7f9a6218215d0a5f. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879050.
  date published: 2026-07-08T03:20:19Z
audio: Spanish Dances, Op. 54: II. Serenade. Allegro moderato
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.964
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.259
  additional property: Energy
    type: PropertyValue
    value: 0.068
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.846
  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: -25.21
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Elfentanz, Op. 39
type: MusicRecording
duration: PT2M55S
duration ms: 175759
explicit: false
by artist: David Popper
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
genre: czech-classical
genre: post-romantic-era
isrc code: FR7JM1879060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:07:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x53ef9bed3f823134e63e97759c60b975fd3b1f710144adfa9da22a608d18cce0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x53ef9bed3f823134e63e97759c60b975fd3b1f710144adfa9da22a608d18cce0. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879060.
  date published: 2026-07-08T03:20:19Z
audio: Elfentanz, Op. 39
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.685
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.496
  additional property: Energy
    type: PropertyValue
    value: 0.191
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.905
  additional property: Liveness
    type: PropertyValue
    value: 0.306
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.405
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

6 Morceaux, Op. 51: VI. Valse sentimentale in F Minor. Tempo di Valse (Arr. for cello and piano)
type: MusicRecording
duration: PT2M28S
duration ms: 148119
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
isrc code: FR7JM1879070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T15:12:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x14196338ef863813dd59a294b2be566c2aa82409a68b5a99f5c679921c26a5be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960273
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960273
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T15:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14196338ef863813dd59a294b2be566c2aa82409a68b5a99f5c679921c26a5be. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879070.
  date published: 2026-07-30T15:42:38Z
audio: 6 Morceaux, Op. 51: VI. Valse sentimentale in F Minor. Tempo di Valse (Arr. for cello and piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.435
  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: 0.223
  additional property: Energy
    type: PropertyValue
    value: 0.009
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.991
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.851
  additional property: Liveness
    type: PropertyValue
    value: 0.065
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.059
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.632
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

10 Klavierstücken: VIII. Imitating Albéniz. Con Passion (Arr. for cello and piano)
type: MusicRecording
duration: PT3M46S
duration ms: 226764
explicit: false
by artist: Rodion Shchedrin
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
genre: traditional-music
isrc code: FR7JM1879080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T13:47:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x10a62d9914dcce99aa211217d7f718a14f849b7eaf9da636a0c6212fcb8aa523
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960419
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960419
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x10a62d9914dcce99aa211217d7f718a14f849b7eaf9da636a0c6212fcb8aa523. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/FR7JM1879080.
  date published: 2026-07-31T15:20:33Z
audio: 10 Klavierstücken: VIII. Imitating Albéniz. Con Passion (Arr. for cello and piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.737
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.28
  additional property: Energy
    type: PropertyValue
    value: 0.054
  additional property: Speechiness
    type: PropertyValue
    value: 0.053
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.742
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.981
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Nocturnes, Op. 9: II. Andante in E-Flat Major (Arr. for cello and piano)
type: MusicRecording
duration: PT4M10S
duration ms: 250152
explicit: false
by artist: Frédéric Chopin
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
genre: classical
genre: early-romantic-era
genre: polish-classical
isrc code: FR7JM1879090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:33:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd085953aaceb65327c29d5d34b249e555231f19b21661147e6153020e172c36b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd085953aaceb65327c29d5d34b249e555231f19b21661147e6153020e172c36b. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/FR7JM1879090.
  date published: 2026-07-31T08:26:41Z
audio: Nocturnes, Op. 9: II. Andante in E-Flat Major (Arr. for cello and piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.8
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.134
  additional property: Energy
    type: PropertyValue
    value: 0.038
  additional property: Speechiness
    type: PropertyValue
    value: 0.054
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.824
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.071
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.676
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

3 Old Viennese Dances: I. Liebesfreud. Allegro (Arr. for cello and piano)
type: MusicRecording
duration: PT3M22S
duration ms: 202796
explicit: false
by artist: Fritz Kreisler
by artist: Jean-Guihen Queyras
by artist: Alexandre Tharaud
in album: Complices
  type: MusicAlbum
  date published: 2020-01-10
genre: classical
genre: post-romantic-era
genre: violin
isrc code: FR7JM1879120
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T11:45:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba91572e1d74a58aa9fa524cf2ba170f3f59c0922e5726c9cd5a88ac91838521
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960397
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960397
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FR7JM1879120
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T12:24:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba91572e1d74a58aa9fa524cf2ba170f3f59c0922e5726c9cd5a88ac91838521. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), 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/FR7JM1879120.
  date published: 2026-07-31T12:24:41Z
audio: 3 Old Viennese Dances: I. Liebesfreud. Allegro (Arr. for cello and piano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.155
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.331
  additional property: Energy
    type: PropertyValue
    value: 0.081
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.813
  additional property: Liveness
    type: PropertyValue
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Le Carnaval des animaux, R. 125: XIII. Le Cygne. Andantino grazioso
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Léocadia, FP. 106: Les Chemins de l'amour (Arr. for cello and piano)
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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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Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello)
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subject of: OpenTimestamps Proof of Existence
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audio: Improvisation on Bach: Alabama. Slowly, pensively (rubato) (Arr. for saxophone and cello)
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Symphony No. 13 in C Major, Hob. II:47 "Toy Symphony": Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T08:30:10Z
audio: Symphony No. 13 in C Major, Hob. II:47 "Toy Symphony": Adagio
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Zimmermann, B.A.: Fromme Helene (Die) / Rheinische Kirmestanze / Smetana, B.: The Bartered Bride
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Zimmermann: Alagoana, Sinfonie in einem Satz, Photoptosis & Stille und Umkehr
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Darmstadt Aural Documents, Box 4: Pianists
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Günter Wand: The Radio Recordings
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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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track: The Firebird Suite (1945 version): II. Pas de deux - Firebird and Ivan Tsarevich
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  subject of: OpenTimestamps Proof of Existence
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track: The Firebird Suite (1945 version): IV. Rondo - Khorovod
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value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f7a532490d5f897cadf4fa3e39eba2ea553b03fa09334b5df1fa30c2c0a97ba. Chain 2 (Bitcoin): anchored in block 960340 (2026-07-31T03:15:04Z), 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/DEAD70405603.
date published: 2026-07-31T03:15:04Z

The Firebird Suite (1945 version): III. Scherzo - Dance of the Princesses
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The Firebird Suite (1945 version): IV. Rondo - Khorovod
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by artist: Bavarian Radio Symphony Orchestra
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: The Firebird Suite (1945 version): IV. Rondo - Khorovod
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The Firebird Suite (1945 version): V. Infernal Dance
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T08:26:41Z
audio: The Firebird Suite (1945 version): V. Infernal Dance
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The Firebird Suite (1945 version): VI. Lullaby - Firebird
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T09:37:10Z
audio: The Firebird Suite (1945 version): VI. Lullaby - Firebird
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The Firebird Suite (1945 version): VII. Final Hymn
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-30T18:23:33Z
audio: The Firebird Suite (1945 version): VII. Final Hymn
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Allusions and Beyond (Transcriptions and Transformations for Piano Duo)
type: MusicAlbum
date published: 2016-09-23

Zimmermann: Violin Concerto, Photoptosis, Die Soldaten Vocal Symphony
type: MusicAlbum
date published: 2019-02-08

Michael Gielen Edition, Vol. 10 (Live)
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date published: 2021-10-08

Bernd Alois Zimmermann: Chamber Music
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date published: 2003-03-17

Bernd Alois Zimmermann: Présence / Intercommunicazione
type: MusicAlbum
date published: 1997

Zimmermann: Complete Works for Piano
type: MusicAlbum
date published: 2020-06-05

Zimmermann: Sinfonie in einem Satz (1. Fassung)
type: MusicAlbum
date published: 2016-06-10

B.A. Zimmermann: Complete Works for Piano Solo
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date published: 2016-01-14

Zimmermann: Music for Cello and Piano
type: MusicAlbum
date published: 2013-07-01

Zimmermann: Die Soldaten
type: MusicAlbum
date published: 2007

Zimmermann: Un petit rien / Das Gelb und das Grün / Omnia tempus habent / Metamorphose
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date published: 2005

Zimmermann: The Piano Works
type: MusicAlbum
date published: 2004

Bernd Alois Zimmermann: Märchensuite / Canto di speranza / Impromptu / Alagoana. Caprichos Brasileiros
type: MusicAlbum
date published: 2002

Zimmermann: Dialoge Monologe Perspektiven Photoptosis
type: MusicAlbum
date published: 1997-01-01

Zimmermann: Présence; Intercomunicazione
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date published: 1969

Bernd Alois Zimmermann: Requiem für einen jungen Dichter
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date published: 2005
track: Prolog, Requiem I
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  by artist: Holland Symfonia
  by artist: Claudia Barainsky
  by artist: David Pittman-Jennings
  by artist: Tschechischer Philharmonischer Chor Brno
  by artist: Slowakischer Philharmonischer Chor
  by artist: Europachorakademie
  by artist: Eric Vloeimans Quintet
  by artist: Jan Hage
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  genre: requiem
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-31T19:53:13Z
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Zimmermann: Ekklesiastische Aktion and Sonatas for Violin, Viola & Cello
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date published: 1994-07-06

Stravinsky, I.: Concerto for Piano and Wind Instruments / Zimmermann, B. / Fortner, W.: Symphony / Ligeti, G.: Lontano
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  subject of: OpenTimestamps Proof of Existence
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Famous Works for Piano Duo
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Intercomunicazione - Cello Recital
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Trio Gaspard Live in Berlin
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J.S. Bach / B.A. Zimmermann
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Artefacts
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Alto / Multiples
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Nobody Knows
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