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type: MusicGroup
genre: chamber music
popularity: 8
followers: 393
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-22T02:53:59Z
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album: Italian And English Music for Recorder And Lute
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  date published: 1986-01-31
  track: Canzona
    type: MusicRecording
    duration: PT5M43S
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    by artist: Clas Pehrsson
    by artist: Jakob Lindberg
    in album: Italian And English Music for Recorder And Lute
      type: MusicAlbum
      date published: 1986-01-31
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    additional property: OTSVerificationAPI
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    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-08-01T03:13:03Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd297a674c29b6ba3492a08b09697f126b3db398530ed8e980f61d79537b4a676. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/SEAEC8666010.
      date published: 2026-08-01T03:13:03Z
    audio: Canzona
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      additional property: Valence (Positivity)
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  track: Sinfonia No. 4, Op. 1: Sinfonia, Op. 1 No. 4
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    by artist: Clas Pehrsson
    by artist: Jakob Lindberg
    in album: Italian And English Music for Recorder And Lute
      type: MusicAlbum
      date published: 1986-01-31
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
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      date published: 2026-07-06T01:42:12Z
    audio: Sinfonia No. 4, Op. 1: Sinfonia, Op. 1 No. 4
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      additional property: Tempo (BPM)
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      additional property: Mode (Major/Minor)
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album: English Consort Music
album: Pehrsson, Clas: Music for Recorder Ensemble
album: Telemann: Complete Double Concertos With Recorder
album: Baroque Concertos for Flute And Recorder
album: Vivaldi: Four Seasons (The)
album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
album: Linde: Amarilli, Mia Belli / Kukuck: Die Brucke
album: Artistry Of Clas Pehrsson (The)
album: Telemann / Fontana / Castello: Recorder Chamber Music
album: Soderstrom, Elisabeth: Orhangen (Hits)
album: Telemann: Complete Recorder Music, Vol. 3
album: Telemann: Complete Recorder Music, The Duets, Vol. Ii
album: Telemann: Complete Recorder Music - The Duets, Vol. I
album: Vivaldi / Sammartini / Telemann: Music for Recorder
album: Handel: Complete Recorder Sonatas
album: Telemann / Vivaldi: Concertos for Recorder and Bassoon
album: 40 Summers of Opera
album: The 50 Most Essential Winter Classics
album: Bahr, Gunilla Von: Solflojt 2/3 (Sun-Flute 2/3)
album: The Recorder Collection
album: Hvoslef: Mi-Fi-Li Symphonic Poem / Kvartoni / Double Concerto / Sextet

Valence (Positivity)
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value: 0.503

Loudness (dB)
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Key Name
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value: A

Mode Name
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English Consort Music
type: MusicAlbum
date published: 1986-01-01

Pehrsson, Clas: Music for Recorder Ensemble
type: MusicAlbum
date published: 1995-03-31

Telemann: Complete Double Concertos With Recorder
type: MusicAlbum
date published: 1993-12-31
track: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: I. Largo
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212000
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  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Michael McCraw
  by artist: Drottningholm Baroque Ensemble
  in album: Telemann: Complete Double Concertos With Recorder
    type: MusicAlbum
    date published: 1993-12-31
  popularity: 1
  isrc code: SEAEG8417010
  additional property: CopyrightID
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    type: PropertyValue
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  additional property: OTSVerificationAPI
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  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T13:04:34Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9b137c042c96538ce2649e9fcd6767a3b7e206702f045c9459623eff6f3005f. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEG8417010.
    date published: 2026-07-31T13:04:34Z
  audio: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: I. Largo
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
      type: PropertyValue
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    additional property: Valence (Positivity)
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track: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: II. Vivace
  type: MusicRecording
  duration: PT4M8S
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  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Michael McCraw
  by artist: Drottningholm Baroque Ensemble
  in album: Telemann: Complete Double Concertos With Recorder
    type: MusicAlbum
    date published: 1993-12-31
  popularity: 2
  isrc code: SEAEG8417020
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightChainExplorerURL
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  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
    type: PropertyValue
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  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1205f8776a5ad09cea70e6a0c0fa4ba585d95c6978c5412803d820ba5c8fcc65. 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/SEAEG8417020.
    date published: 2026-07-08T03:20:19Z
  audio: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: II. Vivace
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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      type: PropertyValue
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    additional property: Valence (Positivity)
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track: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: III. (Grave)
  type: MusicRecording
  duration: PT3M44S
  duration ms: 224000
  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Michael McCraw
  by artist: Drottningholm Baroque Ensemble
  in album: Telemann: Complete Double Concertos With Recorder
    type: MusicAlbum
    date published: 1993-12-31
  popularity: 1
  isrc code: SEAEG8417030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  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: Concerto for Recorder and Bassoon in F Major, TWV 52:F1: III. (Grave)
track: Concerto for Recorder and Flute in E Minor, TWV 52:E1: III. Largo
track: Concerto for Recorder and Flute in E Minor, TWV 52:E1: IV. Presto

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0x0b5de6b11fb81ea48805d2e6f3bd23d6fab8c0245af4a1b96f184ec984390ddd

OTSHash
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OTSBitcoinBlock
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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/SEAEG8417030

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b5de6b11fb81ea48805d2e6f3bd23d6fab8c0245af4a1b96f184ec984390ddd. 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/SEAEG8417030.
date published: 2026-07-08T03:20:19Z

Concerto for Recorder and Bassoon in F Major, TWV 52:F1: III. (Grave)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 117.658
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
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additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.237
additional property: Energy
  type: PropertyValue
  value: 0.084
additional property: Speechiness
  type: PropertyValue
  value: 0.038
additional property: Acousticness
  type: PropertyValue
  value: 0.94
additional property: Instrumentalness
  type: PropertyValue
  value: 0.115
additional property: Liveness
  type: PropertyValue
  value: 0.166
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.085
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.745
additional property: Key Name
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  value: Ab
additional property: Mode Name
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Concerto for Recorder and Flute in E Minor, TWV 52:E1: III. Largo
type: MusicRecording
duration: PT2M59S
duration ms: 179000
explicit: false
by artist: Georg Philipp Telemann
by artist: Clas Pehrsson
by artist: Penelope Evison
by artist: Drottningholm Baroque Ensemble
in album: Telemann: Complete Double Concertos With Recorder
  type: MusicAlbum
  date published: 1993-12-31
popularity: 2
isrc code: SEAEG8317190
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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Baroque Concertos for Flute And Recorder
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-06T06:56:49Z
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  subject of: OpenTimestamps Proof of Existence
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track: The Four Seasons, Violin Concerto in G Minor, Op. 8 No. 2, RV 315 "Summer": II. Adagio
track: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": II. Adagio
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track: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
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track: Concerto for Viola d'amore and Lute in D Minor, RV 540: I. Allegro (moderato)
track: Concerto for Viola d'amore and Lute in D Minor, RV 540: II. Largo
track: Concerto for Viola d'amore and Lute in D Minor, RV 540: III. Allegro

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OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-29T19:35:34Z
audio: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": II. Adagio
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The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": III. La Caccia
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duration ms: 188000
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by artist: Nils-Erik Sparf
by artist: Drottningholm Baroque Ensemble
in album: Vivaldi: Four Seasons (The)
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genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T06:56:49Z
audio: The Four Seasons, Violin Concerto in F Major, Op. 8 No. 3, RV 293 "Autumn": III. La Caccia
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The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
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by artist: Nils-Erik Sparf
by artist: Drottningholm Baroque Ensemble
in album: Vivaldi: Four Seasons (The)
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genre: classical
genre: early-music
genre: baroque
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": I. Allegro non molto
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The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": III. Allegro
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duration: PT3M30S
duration ms: 210000
explicit: false
by artist: Antonio Vivaldi
by artist: Nils-Erik Sparf
by artist: Drottningholm Baroque Ensemble
in album: Vivaldi: Four Seasons (The)
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genre: classical
genre: early-music
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additional property: OTSTimestamp
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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: The Four Seasons, Violin Concerto in F Minor, Op. 8 No. 4, RV 297 "Winter": III. Allegro
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Concerto for Viola d'amore and Lute in D Minor, RV 540: I. Allegro (moderato)
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duration: PT5M39S
duration ms: 339000
explicit: false
by artist: Antonio Vivaldi
by artist: Monica Huggett
by artist: Jakob Lindberg
by artist: Drottningholm Baroque Ensemble
in album: Vivaldi: Four Seasons (The)
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genre: classical
genre: early-music
genre: baroque
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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
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  date published: 2026-07-31T09:09:19Z
audio: Concerto for Viola d'amore and Lute in D Minor, RV 540: I. Allegro (moderato)
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Concerto for Viola d'amore and Lute in D Minor, RV 540: II. Largo
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duration: PT2M59S
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explicit: false
by artist: Antonio Vivaldi
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by artist: Jakob Lindberg
by artist: Drottningholm Baroque Ensemble
in album: Vivaldi: Four Seasons (The)
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genre: classical
genre: early-music
genre: baroque
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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
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  date published: 2026-07-29T21:09:47Z
audio: Concerto for Viola d'amore and Lute in D Minor, RV 540: II. Largo
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Concerto for Viola d'amore and Lute in D Minor, RV 540: III. Allegro
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by artist: Drottningholm Baroque Ensemble
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genre: classical
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T02:19:15Z
audio: Concerto for Viola d'amore and Lute in D Minor, RV 540: III. Allegro
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    type: PropertyValue
    value: 0.306
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.872
  additional property: Key Name
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    value: C#
  additional property: Mode Name
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Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
type: MusicAlbum
date published: 1994-08-31
track: Sonata in C Minor, TWV 42:C7: I. Adagio (Arr. For recorder, violin and basso continuo)
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131039
  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Predrag Novovic
  by artist: Alf Petersen
  by artist: Arnold Östman
  in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
    type: MusicAlbum
    date published: 1994-08-31
  isrc code: SEAEC9420010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T20:58:32+00:00
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    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4f0d0ec4e5d77e247cf14194fd9d54d33030ced5b93184d9dfc207b5ad7f1e3e
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  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/SEAEC9420010
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f0d0ec4e5d77e247cf14194fd9d54d33030ced5b93184d9dfc207b5ad7f1e3e. 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/SEAEC9420010.
    date published: 2026-07-08T03:20:19Z
  audio: Sonata in C Minor, TWV 42:C7: I. Adagio (Arr. For recorder, violin and basso continuo)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
      type: PropertyValue
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    additional property: Loudness (dB)
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track: Sonata in C Minor, TWV 42:C7: II. Allegro (Arr. For recorder, violin and basso continuo)
  type: MusicRecording
  duration: PT1M38S
  duration ms: 98280
  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Predrag Novovic
  by artist: Alf Petersen
  by artist: Arnold Östman
  in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
    type: MusicAlbum
    date published: 1994-08-31
  isrc code: SEAEC9420020
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3d6371e04c48b433e5a8d1b526fd292e3e237dd43a020eac14416507cd90e91
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
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  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960418
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420020
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T15:20:15Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d6371e04c48b433e5a8d1b526fd292e3e237dd43a020eac14416507cd90e91. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420020.
    date published: 2026-07-31T15:20:15Z
  audio: Sonata in C Minor, TWV 42:C7: II. Allegro (Arr. For recorder, violin and basso continuo)
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    additional property: Tempo (BPM)
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    additional property: Musical Key
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Sonata in C Minor, TWV 42:C7: III. Adagio (Arr. For recorder, violin and basso continuo)
  type: MusicRecording
  duration: PT1M8S
  duration ms: 68040
  explicit: false
  by artist: Georg Philipp Telemann
  by artist: Clas Pehrsson
  by artist: Predrag Novovic
  by artist: Alf Petersen
  by artist: Arnold Östman
  in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
    type: MusicAlbum
    date published: 1994-08-31
  isrc code: SEAEC9420030
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-31T11:44:04+00:00
  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: Sonata in C Minor, TWV 42:C7: III. Adagio (Arr. For recorder, violin and basso continuo)
track: Sonata in C Minor, TWV 42:C7: IV. Allegro (Arr. For recorder, violin and basso continuo)
track: Trio Sonata in C Major: I. Allegro (con brio)
track: Trio Sonata in C Major: II. Adagio
track: Trio Sonata in C Major: III. Allegro
track: Chamber Concerto in G Minor, RV 103: I. Allegro ma cantabile (Arr. For recorder, violin and basso continuo)
track: Trio in F Major, Wq. 163, H. 588: I. Un poco andante
track: Trio in F Major, Wq. 163, H. 588: II. Allegretto
track: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: II. Vivace
track: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: III. Tendrement

CopyrightChainExplorerURL
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value: https://explorer.copyrightchains.com/tx/0xf75df18ed19afb141530ad80166d1b3c0d91edf440d858abc98babaece2150e5

OTSHash
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OTSBitcoinBlock
type: PropertyValue
value: 960397

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/960397

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420030

OTSTimestamp
type: PropertyValue
value: 2026-07-31T12:24:41Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf75df18ed19afb141530ad80166d1b3c0d91edf440d858abc98babaece2150e5. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420030.
date published: 2026-07-31T12:24:41Z

Sonata in C Minor, TWV 42:C7: III. Adagio (Arr. For recorder, violin and basso continuo)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 105.091
additional property: Musical Key
  type: PropertyValue
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additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.387
additional property: Energy
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  value: 0.056
additional property: Speechiness
  type: PropertyValue
  value: 0.043
additional property: Acousticness
  type: PropertyValue
  value: 0.962
additional property: Instrumentalness
  type: PropertyValue
  value: 0.179
additional property: Liveness
  type: PropertyValue
  value: 0.085
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.294
additional property: Loudness (dB)
  type: PropertyValue
  value: -20.361
additional property: Key Name
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additional property: Mode Name
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Sonata in C Minor, TWV 42:C7: IV. Allegro (Arr. For recorder, violin and basso continuo)
type: MusicRecording
duration: PT1M43S
duration ms: 103320
explicit: false
by artist: Georg Philipp Telemann
by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
  type: MusicAlbum
  date published: 1994-08-31
isrc code: SEAEC9420040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:41:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x663b460e0ef2f6169b0c8dbac280e30bbbcdd78dbbbc310081767833676b0cda
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663b460e0ef2f6169b0c8dbac280e30bbbcdd78dbbbc310081767833676b0cda. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEC9420040.
  date published: 2026-07-31T13:04:34Z
audio: Sonata in C Minor, TWV 42:C7: IV. Allegro (Arr. For recorder, violin and basso continuo)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.426
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Trio Sonata in C Major: I. Allegro (con brio)
type: MusicRecording
duration: PT5M9S
duration ms: 309240
explicit: false
by artist: Johann Joachim Quantz
by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
  type: MusicAlbum
  date published: 1994-08-31
isrc code: SEAEC9420050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:06:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd01ba09720ef9c85aa343df598fac964067cee247209f3f20ffee671a59d57ac
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/SEAEC9420050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd01ba09720ef9c85aa343df598fac964067cee247209f3f20ffee671a59d57ac. 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/SEAEC9420050.
  date published: 2026-07-08T03:20:19Z
audio: Trio Sonata in C Major: I. Allegro (con brio)
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Trio Sonata in C Major: II. Adagio
type: MusicRecording
duration: PT3M10S
duration ms: 190080
explicit: false
by artist: Johann Joachim Quantz
by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
  type: MusicAlbum
  date published: 1994-08-31
isrc code: SEAEC9420060
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:25:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba8cf3cb986d39115e9438b1b344016ee157010be1fcc21ff610c792f7cdf167
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/SEAEC9420060
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8cf3cb986d39115e9438b1b344016ee157010be1fcc21ff610c792f7cdf167. 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/SEAEC9420060.
  date published: 2026-07-08T03:20:19Z
audio: Trio Sonata in C Major: II. Adagio
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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Trio Sonata in C Major: III. Allegro
type: MusicRecording
duration: PT5M1S
duration ms: 301320
explicit: false
by artist: Johann Joachim Quantz
by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
in album: Telemann / Quantz / Vivaldi / Bach, C.P.E.: Chamber Music for Recorder
  type: MusicAlbum
  date published: 1994-08-31
isrc code: SEAEC9420070
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T15:20:15Z
audio: Trio Sonata in C Major: III. Allegro
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Chamber Concerto in G Minor, RV 103: I. Allegro ma cantabile (Arr. For recorder, violin and basso continuo)
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by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
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genre: classical
genre: early-music
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T06:42:11Z
audio: Chamber Concerto in G Minor, RV 103: I. Allegro ma cantabile (Arr. For recorder, violin and basso continuo)
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Trio in F Major, Wq. 163, H. 588: I. Un poco andante
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by artist: Clas Pehrsson
by artist: Predrag Novovic
by artist: Alf Petersen
by artist: Arnold Östman
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Trio in F Major, Wq. 163, H. 588: I. Un poco andante
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Trio in F Major, Wq. 163, H. 588: II. Allegretto
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by artist: Arnold Östman
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Trio in F Major, Wq. 163, H. 588: II. Allegretto
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Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: II. Vivace
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duration: PT1M47S
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by artist: Georg Philipp Telemann
by artist: Clas Pehrsson
by artist: Anders-Per Jonsson
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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
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  date published: 2026-08-01T04:30:37Z
audio: Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: II. Vivace
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Concerto for 2 Recorders in B-Flat Major, TWV 52:B1: III. Tendrement
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T17:29:52Z
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Linde: Amarilli, Mia Belli / Kukuck: Die Brucke
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date published: 1996-01-31

Artistry Of Clas Pehrsson (The)
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Telemann / Fontana / Castello: Recorder Chamber Music
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Soderstrom, Elisabeth: Orhangen (Hits)
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Telemann: Complete Recorder Music, Vol. 3
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Telemann: Complete Recorder Music, The Duets, Vol. Ii
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Telemann: Complete Recorder Music - The Duets, Vol. I
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Vivaldi / Sammartini / Telemann: Music for Recorder
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Handel: Complete Recorder Sonatas
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Telemann / Vivaldi: Concertos for Recorder and Bassoon
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40 Summers of Opera
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The 50 Most Essential Winter Classics
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date published: 2011-02-22

Bahr, Gunilla Von: Solflojt 2/3 (Sun-Flute 2/3)
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  additional property: OTSVerifyInstructions
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    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2adb915ad9da767b56c05d6a25c238828ddda2da799ce03bea0247c3a1ba78dd. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEB8175050.
    date published: 2026-07-31T18:48:12Z
  audio: Le petit chevrier corse
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.384
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.385
    additional property: Energy
      type: PropertyValue
      value: 0.086
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.886
    additional property: Liveness
      type: PropertyValue
      value: 0.1
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.078
    additional property: Loudness (dB)
      type: PropertyValue
      value: -23.848
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

The Recorder Collection
type: MusicAlbum
date published: 2011-04-05

Hvoslef: Mi-Fi-Li Symphonic Poem / Kvartoni / Double Concerto / Sextet
type: MusicAlbum
date published: 1994-11-28