Westminster Symphonic Choir
type: MusicGroup
genre: choral
genre: opera
genre: requiem
popularity: 13
followers: 105
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album: Puccini: Tosca
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  date published: 1993-06-07
  track: Tosca / Act 2: "Ha più forte sapore" - "Spoletta è giunto"
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    by artist: Philadelphia Orchestra
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      date published: 1993-06-07
    popularity: 4
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    additional property: OTSVerifyInstructions
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    subject of: OpenTimestamps Proof of Existence
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      date published: 2026-07-08T03:53:27Z
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  track: Tosca / Act 2: "Meno male!" - "Egli è là"
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    by artist: Carol Vaness
    by artist: Giuseppe Giacomini
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      date published: 1993-06-07
    popularity: 4
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      date published: 2026-07-08T03:22:41Z
    audio: Tosca / Act 2: "Meno male!" - "Egli è là"
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  track: Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"
  track: Tosca / Act 2: "Nel pozzo del giardino. Va, Spoletta!" - "Eccelenza, quali nuove!" - "Vittoria!"
  track: Tosca / Act 2: "Vissi d'arte, vissi d'amore"
  track: Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
  track: Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
  track: Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
  track: Tosca / Act 3: Prelude - "Io de' sospiri"
  track: Tosca / Act 3: Introduzione all' aria
  track: Tosca / Act 3: "E lucevan le stelle"
  track: Tosca / Act 3: "Franchigia a Floria Tosca"
  track: Tosca / Act 3: "O dolci mani"
  track: Tosca / Act 3: "Amaro sol per te m'era il morire"
  track: Tosca / Act 3: "L'ora!" - "Son pronto"
album: Mahler: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" (Live)
album: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral" (Live)
album: Messiaen: La Nativité du Seigneur; La Tranfiguration de Notre Seigneur Jésus Christ
album: Beethoven: Symphony No. 9 in D Minor, Op. 125, "Choral"
album: Engineer's Choice, Vol. 2
album: Horizons - A Musical Journey
album: The Essential Benjamin Britten
album: Mahler: Symphony No. 8 (Live)
album: The Sound of Martin Luther
album: Brahms: Symphonies, Overtures & Schicksalslied
album: Leoncavallo: I Pagliacci
album: Bernstein: Mass (Live)
album: Bruno Walter Conducts Beethoven
album: Westminster Choir College: An Evening of Readings and Carols (Live)
album: Puccini: Tosca (Highlights)
album: Brahms: The Symphonies - Overtures - Song of Destiny & German Requiem
album: Ultimate Puccini
album: Beethoven: Les 9 Symphonies
album: Brahms: Ein deutsches Requiem, Op. 45
album: Britten: War Requiem, Op. 66
album: Mussorgsky, M.: Pictures at an Exhibition (Orch. M. Ravel) / Dream of the Peasant Gritzko
album: Messiaen Edition Vol.1: Orchestral & Chamber Works / Song Cycles
album: Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral"
album: Remembering Bernstein with Philadelphia Orchestra
album: Dvorak, A.: Spectre's Bride (The)
album: Dvorak, A.: Te Deum / In Nature's Realm / Carnival / Othello / Psalm 149
album: Dvorak, A.: Requiem / Symphony No. 9, "From the New World"
album: Dvorak, A.: Stabat Mater / 10 Biblical Songs
album: Hommage à la mémoire de Bruno Walter, vol. 7 (Stereo Version)

Pagliacci / Act 1: "Son qua! Ritornano" - Live
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by artist: Ruggero Leoncavallo
by artist: Westminster Symphonic Choir
by artist: Philadelphia Boys Choir
by artist: Luciano Pavarotti
by artist: Ernesto Gavazzi
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1993-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T05:09:12Z
audio: Pagliacci / Act 1: "Son qua! Ritornano" - Live
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Pagliacci / Act 1: "Un grande spettacolo!" - Live
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genre: italian-opera
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additional property: OTSVerifyInstructions
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  date published: 2026-07-02T05:09:12Z
audio: Pagliacci / Act 1: "Un grande spettacolo!" - Live
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Pagliacci / Act 1: "I zampognari!" - Live
type: MusicRecording
duration: PT1M34S
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  date published: 2026-07-13T07:53:33Z
audio: Pagliacci / Act 1: "I zampognari!" - Live
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.237
  additional property: Energy
    type: PropertyValue
    value: 0.043
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.943
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.85
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 1: "Don, din, don - suona vespero" - Live
type: MusicRecording
duration: PT2M39S
duration ms: 159333
explicit: false
by artist: Ruggero Leoncavallo
by artist: Westminster Symphonic Choir
by artist: Philadelphia Boys Choir
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1993-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA509109907
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T19:55:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x661c5dd3d7e425cf60cc5234b393d280e1fe820e643eee1d3b5618667c87c6b1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956312
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956312
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109907
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T05:09:12Z
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: 956304
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:55:08+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 0x661c5dd3d7e425cf60cc5234b393d280e1fe820e643eee1d3b5618667c87c6b1. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/NLA509109907.
  date published: 2026-07-02T05:09:12Z
audio: Pagliacci / Act 1: "Don, din, don - suona vespero" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.18
  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: 0.317
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.939
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.092
  additional property: Liveness
    type: PropertyValue
    value: 0.084
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.096
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.403
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pagliacci / Act 2: "No, Pagliaccio non son" - Live
type: MusicRecording
duration: PT3M10S
duration ms: 190173
explicit: false
by artist: Ruggero Leoncavallo
by artist: Luciano Pavarotti
by artist: Westminster Symphonic Choir
by artist: Philadelphia Boys Choir
by artist: Paolo Coni
by artist: Daniela Dessi
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Leoncavallo: I Pagliacci
  type: MusicAlbum
  date published: 1993-01-01
genre: italian-opera
genre: italian-romanticism
genre: opera
isrc code: NLA509109924
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T23:17:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x005bd580dfbe47552e8f4a435448849fcd38eccabfa3fd90731e78e183f3bda2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956304
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956304
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109924
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:55:08Z
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: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+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 0x005bd580dfbe47552e8f4a435448849fcd38eccabfa3fd90731e78e183f3bda2. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/NLA509109924.
  date published: 2026-07-02T03:55:08Z
audio: Pagliacci / Act 2: "No, Pagliaccio non son" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.229
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.316
  additional property: Energy
    type: PropertyValue
    value: 0.341
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.481
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.444
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.664
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Speechiness
type: PropertyValue
value: 0.052

Acousticness
type: PropertyValue
value: 0.981

Instrumentalness
type: PropertyValue
value: 0.001

Liveness
type: PropertyValue
value: 0.627

Valence (Positivity)
type: PropertyValue
value: 0.19

Loudness (dB)
type: PropertyValue
value: -26.423

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"
type: MusicRecording
duration: PT3M38S
duration ms: 218600
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacomini
by artist: Danilo Serraiocco
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906209
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T01:53:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b8c7b56eac67803c35b886b0db4f81829c97497f749a7902ad84566afec50e7
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/NLA508906209
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b8c7b56eac67803c35b886b0db4f81829c97497f749a7902ad84566afec50e7. 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/NLA508906209.
  date published: 2026-07-08T03:53:27Z
audio: Tosca / Act 1: "E buona la mia Tosca" - "Siam soli?"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.21
  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: 0.297
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.068
  additional property: Acousticness
    type: PropertyValue
    value: 0.976
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.031
  additional property: Liveness
    type: PropertyValue
    value: 0.374
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.251
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.757
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 2: "Nel pozzo del giardino. Va, Spoletta!" - "Eccelenza, quali nuove!" - "Vittoria!"
type: MusicRecording
duration: PT3M57S
duration ms: 237493
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Giorgio Zancanaro
by artist: Orazio Mori
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906223
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T05:29:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1f87cab1a36c48d61cf3943eb2c60f6c2c2104bf3b655fbe8f2204139df65975
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/NLA508906223
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f87cab1a36c48d61cf3943eb2c60f6c2c2104bf3b655fbe8f2204139df65975. 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/NLA508906223.
  date published: 2026-07-08T03:53:27Z
audio: Tosca / Act 2: "Nel pozzo del giardino. Va, Spoletta!" - "Eccelenza, quali nuove!" - "Vittoria!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.728
  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: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.217
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.966
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.249
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.248
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.541
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 2: "Vissi d'arte, vissi d'amore"
type: MusicRecording
duration: PT3M29S
duration ms: 209960
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 10
isrc code: NLA508906225
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T03:10:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d08b275ce7535b0518e81ec450f0d7210114e25f1be086436af2e1335c3b1bc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956889
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956889
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906225
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T06:56:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d08b275ce7535b0518e81ec450f0d7210114e25f1be086436af2e1335c3b1bc. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906225.
  date published: 2026-07-06T06:56:49Z
audio: Tosca / Act 2: "Vissi d'arte, vissi d'amore"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.997
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.174
  additional property: Energy
    type: PropertyValue
    value: 0.071
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.987
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.12
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.038
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.338
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
type: MusicRecording
duration: PT3M16S
duration ms: 196200
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giorgio Zancanaro
by artist: Alfredo Mariotti
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906212
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:15:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0935d79f23d8e94648fd6e46c7c44b74995b45a7d907e9d1cf10e6ca719f7e5
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/NLA508906212
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0935d79f23d8e94648fd6e46c7c44b74995b45a7d907e9d1cf10e6ca719f7e5. 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/NLA508906212.
  date published: 2026-07-08T03:20:19Z
audio: Tosca / Act 1: "Or tutto è chiaro..." - "Mario?! Mario?!"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.018
  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: 0.362
  additional property: Energy
    type: PropertyValue
    value: 0.193
  additional property: Speechiness
    type: PropertyValue
    value: 0.134
  additional property: Acousticness
    type: PropertyValue
    value: 0.985
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.125
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.208
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.28
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
type: MusicRecording
duration: PT4M22S
duration ms: 262040
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giorgio Zancanaro
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906213
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:18:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5c8e7bd69ec352b39191fe3bb09e3378114dc967476d73f8d47955bc77b33dce
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/NLA508906213
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5c8e7bd69ec352b39191fe3bb09e3378114dc967476d73f8d47955bc77b33dce. 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/NLA508906213.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 1: "Ed io venivo a lui tutta dogliosa"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 102.719
  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: 0.175
  additional property: Energy
    type: PropertyValue
    value: 0.113
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.965
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.036
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.872
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
type: MusicRecording
duration: PT4M6S
duration ms: 246760
explicit: false
by artist: Giacomo Puccini
by artist: Giorgio Zancanaro
by artist: Piero de Palma
by artist: Westminster Symphonic Choir
by artist: Philadelphia Boys Choir
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 7
isrc code: NLA508906214
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T09:32:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x975e55ced3d443f505540b2b783b053707c927232c58f670610582e51d5dcd7c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957061
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957061
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906214
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:07:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x975e55ced3d443f505540b2b783b053707c927232c58f670610582e51d5dcd7c. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/NLA508906214.
  date published: 2026-07-07T16:07:00Z
audio: Tosca / Act 1: "Tre sbirri... Una carozza... Presto" - Te Deum
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.974
  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: 0.255
  additional property: Energy
    type: PropertyValue
    value: 0.253
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.97
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.677
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.209
  additional property: Loudness (dB)
    type: PropertyValue
    value: -18.755
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tosca / Act 3: Prelude - "Io de' sospiri"
type: MusicRecording
duration: PT6M43S
duration ms: 403666
explicit: false
by artist: Giacomo Puccini
by artist: Jeffrey Smith
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906229
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T06:51:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb07b95462cb26a4b8b0a0779a1597968dd4e6a2e7e75c8a9dcb08b8051202b08
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/NLA508906229
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb07b95462cb26a4b8b0a0779a1597968dd4e6a2e7e75c8a9dcb08b8051202b08. 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/NLA508906229.
  date published: 2026-07-08T03:53:27Z
audio: Tosca / Act 3: Prelude - "Io de' sospiri"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.383
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.162
  additional property: Energy
    type: PropertyValue
    value: 0.013
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.928
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.658
  additional property: Liveness
    type: PropertyValue
    value: 0.191
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.045
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.454
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: Introduzione all' aria
type: MusicRecording
duration: PT1M6S
duration ms: 66693
explicit: false
by artist: Giacomo Puccini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906231
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:55:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e39154ab40c97f431b57e54ee2142ba752d49abcc891d76e25445917a7f37af
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/NLA508906231
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e39154ab40c97f431b57e54ee2142ba752d49abcc891d76e25445917a7f37af. 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/NLA508906231.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 3: Introduzione all' aria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.68
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.209
  additional property: Energy
    type: PropertyValue
    value: 0.017
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.828
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.368
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -38.922
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: "E lucevan le stelle"
type: MusicRecording
duration: PT3M3S
duration ms: 183840
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 9
isrc code: NLA508906232
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T11:06:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xed570b3e30cfd56219fb4be6ead50a874566dd7be217748b6a14563a47231770
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957065
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA508906232
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-07T16:43:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xed570b3e30cfd56219fb4be6ead50a874566dd7be217748b6a14563a47231770. Chain 2 (Bitcoin): anchored in block 957065 (2026-07-07T16:43:21Z), 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/NLA508906232.
  date published: 2026-07-07T16:43:21Z
audio: Tosca / Act 3: "E lucevan le stelle"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.977
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.167
  additional property: Energy
    type: PropertyValue
    value: 0.091
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.977
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.039
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.142
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tosca / Act 3: "Franchigia a Floria Tosca"
type: MusicRecording
duration: PT2M54S
duration ms: 174000
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906233
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T10:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6524fb42e68d790946d68542c4bfb871e25a4e5813f062b43f94ddcdee37dc25
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/NLA508906233
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6524fb42e68d790946d68542c4bfb871e25a4e5813f062b43f94ddcdee37dc25. 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/NLA508906233.
  date published: 2026-07-08T03:22:41Z
audio: Tosca / Act 3: "Franchigia a Floria Tosca"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.223
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.312
  additional property: Energy
    type: PropertyValue
    value: 0.208
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.968
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.177
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.151
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: "O dolci mani"
type: MusicRecording
duration: PT1M28S
duration ms: 88760
explicit: false
by artist: Giacomo Puccini
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 4
isrc code: NLA508906234
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T03:44:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe123c33cdc07affaaed7271362789a36edeaa5d463ddc96dec6f64ad2f0c29c3
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/NLA508906234
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe123c33cdc07affaaed7271362789a36edeaa5d463ddc96dec6f64ad2f0c29c3. 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/NLA508906234.
  date published: 2026-07-08T03:20:19Z
audio: Tosca / Act 3: "O dolci mani"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.171
  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: 0.164
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.309
  additional property: Liveness
    type: PropertyValue
    value: 0.067
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.394
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tosca / Act 3: "Amaro sol per te m'era il morire"
type: MusicRecording
duration: PT2M4S
duration ms: 124866
explicit: false
by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
in album: Puccini: Tosca
  type: MusicAlbum
  date published: 1993-06-07
popularity: 3
isrc code: NLA508906236
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:03:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Tosca / Act 3: "Amaro sol per te m'era il morire"
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Tosca / Act 3: "L'ora!" - "Son pronto"
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duration: PT0M33S
duration ms: 33840
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by artist: Giacomo Puccini
by artist: Carol Vaness
by artist: Giuseppe Giacomini
by artist: Charles Austin
by artist: Philadelphia Orchestra
by artist: Riccardo Muti
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popularity: 2
isrc code: NLA508906238
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
audio: Tosca / Act 3: "L'ora!" - "Son pronto"
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Mahler: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" (Live)
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date published: 2019-12-13
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  by artist: Gustav Mahler
  by artist: Angela Meade
  by artist: Erin Wall
  by artist: Elizabeth Bishop
  by artist: Mihoko Fujimura
  by artist: Anthony Dean Griffey
  by artist: Markus Werba
  by artist: John Relyea
  by artist: The American Boychoir
  by artist: Westminster Symphonic Choir
  by artist: The Choral Arts Society Of Washington
  by artist: Fernando Malvar-Ruiz
  by artist: Joe Miller
  by artist: Scott Tucker
  by artist: Philadelphia Orchestra
  by artist: Yannick Nézet-Séguin
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  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" - Live
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Beethoven: Symphony No. 9 in D Minor, Op. 125 "Choral" (Live)
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date published: 2016-10-14

Messiaen: La Nativité du Seigneur; La Tranfiguration de Notre Seigneur Jésus Christ
type: MusicAlbum
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Beethoven: Symphony No. 9 in D Minor, Op. 125, "Choral"
type: MusicAlbum
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Engineer's Choice, Vol. 2
type: MusicAlbum
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track: Daphnis et Chloe Suite No. 2: I. Lever du jour
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  by artist: Seattle Symphony Orchestra
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  genre: impressionism
  genre: neoclassicism
  genre: post-romantic-era
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    date published: 2026-07-08T03:22:41Z
  audio: Daphnis et Chloe Suite No. 2: I. Lever du jour
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Horizons - A Musical Journey
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The Essential Benjamin Britten
type: MusicAlbum
date published: 2013-03-01

Mahler: Symphony No. 8 (Live)
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    date published: 2020-01-17
  genre: classical
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 1: Tempo I (Allegro, etwas hastig) - Live
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track: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 1: "Infirma nostri corporis virtute firmans perpeti" - Live
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  by artist: Angela Meade
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  by artist: Elizabeth Bishop
  by artist: Mihoko Fujimura
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  by artist: Markus Werba
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:53:27Z
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track: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: Più mosso (Allegro moderato) - Live
track: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Gerettet ist das edle Glied" - Live
track: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" - Live

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEN961831009

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc2bf7a1388e1f98f198b4a7a11fa3a10d00119775821957a0d11cad7d8d54bd. 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/DEN961831009.
date published: 2026-07-08T03:53:27Z

Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: Poco adagio - Live
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 99.003
additional property: Musical Key
  type: PropertyValue
  value: 10
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.177
additional property: Energy
  type: PropertyValue
  value: 0.017
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.897
additional property: Instrumentalness
  type: PropertyValue
  value: 0.681
additional property: Liveness
  type: PropertyValue
  value: 0.303
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.039
additional property: Loudness (dB)
  type: PropertyValue
  value: -30.58
additional property: Key Name
  type: PropertyValue
  value: Bb
additional property: Mode Name
  type: PropertyValue
  value: Minor

Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: Più mosso (Allegro moderato) - Live
type: MusicRecording
duration: PT3M47S
duration ms: 227920
explicit: false
by artist: Gustav Mahler
by artist: Philadelphia Orchestra
by artist: Yannick Nézet-Séguin
in album: Mahler: Symphony No. 8 (Live)
  type: MusicAlbum
  date published: 2020-01-17
genre: classical
genre: orchestra
isrc code: DEN961831010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T16:55:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1a993ff68df346976a1e625f4944d54db7dfa3e178ac4c1ebd39d519139284a6
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/DEN961831010
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1a993ff68df346976a1e625f4944d54db7dfa3e178ac4c1ebd39d519139284a6. 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/DEN961831010.
  date published: 2026-07-08T03:22:41Z
audio: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: Più mosso (Allegro moderato) - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.034
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.113
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.906
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.861
  additional property: Liveness
    type: PropertyValue
    value: 0.462
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.433
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Gerettet ist das edle Glied" - Live
type: MusicRecording
duration: PT1M3S
duration ms: 63586
explicit: false
by artist: Gustav Mahler
by artist: Philadelphia Orchestra
by artist: Yannick Nézet-Séguin
by artist: The American Boychoir
by artist: Westminster Symphonic Choir
by artist: The Choral Arts Society Of Washington
by artist: Fernando Malvar-Ruiz
by artist: Joe Miller
by artist: Scott Tucker
in album: Mahler: Symphony No. 8 (Live)
  type: MusicAlbum
  date published: 2020-01-17
genre: classical
genre: orchestra
isrc code: DEN961831014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T15:10:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1895f13e8d729a411752770c679815739a5b1ed44ce746efb386aff4cb97668a
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/DEN961831014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1895f13e8d729a411752770c679815739a5b1ed44ce746efb386aff4cb97668a. 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/DEN961831014.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Gerettet ist das edle Glied" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.47
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.224
  additional property: Energy
    type: PropertyValue
    value: 0.197
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.978
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.629
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.237
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.355
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" - Live
type: MusicRecording
duration: PT6M41S
duration ms: 401332
explicit: false
by artist: Gustav Mahler
by artist: Angela Meade
by artist: Erin Wall
by artist: Elizabeth Bishop
by artist: Mihoko Fujimura
by artist: Anthony Dean Griffey
by artist: Markus Werba
by artist: John Relyea
by artist: The American Boychoir
by artist: Westminster Symphonic Choir
by artist: The Choral Arts Society Of Washington
by artist: Fernando Malvar-Ruiz
by artist: Joe Miller
by artist: Scott Tucker
by artist: Philadelphia Orchestra
by artist: Yannick Nézet-Séguin
in album: Mahler: Symphony No. 8 (Live)
  type: MusicAlbum
  date published: 2020-01-17
genre: classical
genre: orchestra
isrc code: DEN961831032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T18:44:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa0ba07c75cd3d932b8db20415baea5a58b4ffff218a56acba8febd0ea3a52e1
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/DEN961831032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa0ba07c75cd3d932b8db20415baea5a58b4ffff218a56acba8febd0ea3a52e1. 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/DEN961831032.
  date published: 2026-07-08T03:53:27Z
audio: Symphony No. 8 in E-Flat Major - "Symphony of a Thousand" / Pt. 2: "Alles Vergängliche" - Live
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 104.335
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.074
  additional property: Energy
    type: PropertyValue
    value: 0.226
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.615
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.847
  additional property: Liveness
    type: PropertyValue
    value: 0.655
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.037
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.306
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Sound of Martin Luther
type: MusicAlbum
date published: 2016-10-28

Brahms: Symphonies, Overtures & Schicksalslied
type: MusicAlbum
date published: 2022-03-04

Leoncavallo: I Pagliacci
type: MusicAlbum
date published: 1993-01-01
track: Pagliacci / Prologue: Prelude - Live
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171840
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Philadelphia Orchestra
  by artist: Riccardo Muti
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1993-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA509109901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T07:36:42+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa1dacc3060c856d959db6b1c96235e693e77cb7c281db6afbeba18370d730f58
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957820
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957820
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109901
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-13T07:54:01Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1dacc3060c856d959db6b1c96235e693e77cb7c281db6afbeba18370d730f58. Chain 2 (Bitcoin): anchored in block 957820 (2026-07-13T07:54:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109901.
    date published: 2026-07-13T07:54:01Z
  audio: Pagliacci / Prologue: Prelude - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.205
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.285
    additional property: Energy
      type: PropertyValue
      value: 0.06
    additional property: Speechiness
      type: PropertyValue
      value: 0.046
    additional property: Acousticness
      type: PropertyValue
      value: 0.968
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.903
    additional property: Liveness
      type: PropertyValue
      value: 0.187
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.038
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.967
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pagliacci / Act 1: "Son qua! Ritornano" - Live
track: Pagliacci / Act 1: "Un grande spettacolo!" - Live
track: Pagliacci / Act 1: "I zampognari!" - Live
track: Pagliacci / Act 1: "Don, din, don - suona vespero" - Live
track: Pagliacci / Act 1: "Stridono lassù" - Live
  type: MusicRecording
  duration: PT2M31S
  duration ms: 151893
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Daniela Dessi
  by artist: Philadelphia Orchestra
  by artist: Riccardo Muti
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1993-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA509109909
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T00:55:54+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x33577c38eb0243997b5730e2e36139965561f6769d9423715c6ea9cc723c6574
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956856
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956856
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109909
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:25:57Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33577c38eb0243997b5730e2e36139965561f6769d9423715c6ea9cc723c6574. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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/NLA509109909.
    date published: 2026-07-06T01:25:57Z
  audio: Pagliacci / Act 1: "Stridono lassù" - Live
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 80.865
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.319
    additional property: Energy
      type: PropertyValue
      value: 0.116
    additional property: Speechiness
      type: PropertyValue
      value: 0.052
    additional property: Acousticness
      type: PropertyValue
      value: 0.964
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.403
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.077
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.89
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Pagliacci / Act 1: "Sei là...So ben che difforme...Oh! lasciami" - Live
  type: MusicRecording
  duration: PT5M21S
  duration ms: 321173
  explicit: false
  by artist: Ruggero Leoncavallo
  by artist: Daniela Dessi
  by artist: Juan Pons
  by artist: Philadelphia Orchestra
  by artist: Riccardo Muti
  in album: Leoncavallo: I Pagliacci
    type: MusicAlbum
    date published: 1993-01-01
  genre: italian-opera
  genre: italian-romanticism
  genre: opera
  isrc code: NLA509109910
  additional property: CopyrightID
  additional property: CopyrightStatus
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Pagliacci / Act 1: "Sei là...So ben che difforme...Oh! lasciami" - Live
track: Pagliacci / Act 1: "Nedda! Silvio, a quest'ora" - Live
track: Pagliacci / Act 1: "Vesti la giubba" - Live
track: Pagliacci / Act I: Intermezzo - Live
track: Pagliacci / Act 2: "Pagliaccio, mio marito" - Live
track: Pagliacci / Act 2: "O Colombina, il tenero fido Arlecchin" - "Di fare il segno" - Live
track: Pagliacci / Act 2: "No, Pagliaccio non son" - Live

CopyrightID
type: PropertyValue

CopyrightStatus
type: PropertyValue
value: registered

CopyrightRegisteredAt
type: PropertyValue
value: 2026-07-06T20:22:47+00:00

CopyrightChainExplorerURL
type: PropertyValue
value: https://explorer.copyrightchains.com/tx/0x895d46d23ec7a841e6f762252c83cfad0cbda1142560825723bbc961836b7a7c

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957118

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957118

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NLA509109910

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:20:19Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
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date published: 2026-07-08T03:20:19Z

Pagliacci / Act 1: "Sei là...So ben che difforme...Oh! lasciami" - Live
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Pagliacci / Act 1: "Nedda! Silvio, a quest'ora" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Pagliacci / Act 1: "Nedda! Silvio, a quest'ora" - Live
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Pagliacci / Act 1: "Vesti la giubba" - Live
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by artist: Luciano Pavarotti
by artist: Philadelphia Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T17:25:41Z
audio: Pagliacci / Act 1: "Vesti la giubba" - Live
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Pagliacci / Act I: Intermezzo - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Pagliacci / Act I: Intermezzo - Live
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Pagliacci / Act 2: "Pagliaccio, mio marito" - Live
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Pagliacci / Act 2: "Pagliaccio, mio marito" - Live
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Pagliacci / Act 2: "O Colombina, il tenero fido Arlecchin" - "Di fare il segno" - Live
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genre: italian-opera
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:53:57Z
audio: Pagliacci / Act 2: "O Colombina, il tenero fido Arlecchin" - "Di fare il segno" - Live
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Bernstein: Mass (Live)
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date published: 2018-03-16
track: Mass / I. Devotions Before Mass: II. Hymn and Psalm: "A Simple Song" - Live
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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: Mass / II. First Introit (Rondo): I. Prefatory Prayers - Live
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Bruno Walter Conducts Beethoven
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Westminster Choir College: An Evening of Readings and Carols (Live)
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Puccini: Tosca (Highlights)
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Brahms: The Symphonies - Overtures - Song of Destiny & German Requiem
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Ultimate Puccini
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Beethoven: Les 9 Symphonies
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Brahms: Ein deutsches Requiem, Op. 45
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Mussorgsky, M.: Pictures at an Exhibition (Orch. M. Ravel) / Dream of the Peasant Gritzko
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Messiaen Edition Vol.1: Orchestral & Chamber Works / Song Cycles
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Remembering Bernstein with Philadelphia Orchestra
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Dvorak, A.: Spectre's Bride (The)
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Dvorak, A.: Te Deum / In Nature's Realm / Carnival / Othello / Psalm 149
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Dvorak, A.: Stabat Mater / 10 Biblical Songs
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Hommage à la mémoire de Bruno Walter, vol. 7 (Stereo Version)
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