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description: Michaël Lévinas (born 18 April 1949) is a French composer and pianist.88 notes pour piano solo, Jean-Pierre Thiollet, Neva Ed., 2015, p. 52. Biography Born in Paris, Levinas was a student of Olivier
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    value: Minor

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in E Minor, BWV 855
type: MusicRecording
duration: PT2M38S
duration ms: 158040
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: Bach: The Well-Tempered Clavier 1 & 2
  type: MusicAlbum
  date published: 2003-01-01
genre: classical
genre: classical-piano
isrc code: FRZ390300990
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-22T09:37:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0292f3830f0ffe7439a0cc88b0839a1d0d080aea5c30bb592815ed15ef15ea3c
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/FRZ390300990
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: 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 0x0292f3830f0ffe7439a0cc88b0839a1d0d080aea5c30bb592815ed15ef15ea3c. 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/FRZ390300990.
  date published: 2026-07-02T03:55:08Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in E Minor, BWV 855
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.244
  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: 0.168
  additional property: Energy
    type: PropertyValue
    value: 0.056
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.873
  additional property: Liveness
    type: PropertyValue
    value: 0.095
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.109
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.182
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Well-Tempered Clavier: Book 2, BWV 870-893: Fugue in G Major, BWV 884
type: MusicRecording
duration: PT1M15S
duration ms: 75973
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-24T04:40:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b21c5e919daa3f0207344b16eaab718917ab561ce9632673484b5dca1d8c412
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/FRZ390301870
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: 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 0x0b21c5e919daa3f0207344b16eaab718917ab561ce9632673484b5dca1d8c412. 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/FRZ390301870.
  date published: 2026-07-02T03:55:08Z
audio: The Well-Tempered Clavier: Book 2, BWV 870-893: Fugue in G Major, BWV 884
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.367
  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: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.922
  additional property: Liveness
    type: PropertyValue
    value: 0.097
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.307
  additional property: Loudness (dB)
    type: PropertyValue
    value: -31.006
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in B Major, BWV 868
type: MusicRecording
duration: PT1M22S
duration ms: 82053
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301380
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-25T06:44:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5d115c399415f4d686c8484a164154d6b38b7e8259c754f19c9a03f9774f84b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956349
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390301380
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:34:59Z
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 0xe5d115c399415f4d686c8484a164154d6b38b7e8259c754f19c9a03f9774f84b. Chain 2 (Bitcoin): anchored in block 956349 (2026-07-02T11:34:59Z), 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/FRZ390301380.
  date published: 2026-07-02T11:34:59Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in B Major, BWV 868
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.641
  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: 0.343
  additional property: Energy
    type: PropertyValue
    value: 0.079
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.869
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.355
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.213
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in A Major, BWV 864
type: MusicRecording
duration: PT1M34S
duration ms: 94853
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301260
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-26T15:27:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb93d4025f88477fcc4649fe9fad81acd90516419fd123ba8e5a4e109682c24dd
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/FRZ390301260
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 0xb93d4025f88477fcc4649fe9fad81acd90516419fd123ba8e5a4e109682c24dd. 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/FRZ390301260.
  date published: 2026-07-02T05:09:12Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in A Major, BWV 864
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.324
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.34
  additional property: Energy
    type: PropertyValue
    value: 0.134
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.851
  additional property: Liveness
    type: PropertyValue
    value: 0.108
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.935
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F-Sharp Major, BWV 858
type: MusicRecording
duration: PT1M41S
duration ms: 101533
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-27T08:56:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x640419b296cf5139119bee3088174bc6161e920439935be16e78876472741b68
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956351
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956351
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390301080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T11:38:34Z
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
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 0x640419b296cf5139119bee3088174bc6161e920439935be16e78876472741b68. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/FRZ390301080.
  date published: 2026-07-02T11:38:34Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F-Sharp Major, BWV 858
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.827
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.304
  additional property: Energy
    type: PropertyValue
    value: 0.032
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.932
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.234
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.005
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857
type: MusicRecording
duration: PT2M8S
duration ms: 128119
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390301050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-28T06:38:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8fd5c7e4c23d55e6d8512368d2ff06f4b6e16d247df40b8491307897ffa4f83
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956375
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956375
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390301050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T16:51:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
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: 956375
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T16:51:38+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 0xe8fd5c7e4c23d55e6d8512368d2ff06f4b6e16d247df40b8491307897ffa4f83. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRZ390301050.
  date published: 2026-07-02T16:51:38Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.956
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.349
  additional property: Energy
    type: PropertyValue
    value: 0.047
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.881
  additional property: Liveness
    type: PropertyValue
    value: 0.129
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.123
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.663
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in D Minor, BWV 851
type: MusicRecording
duration: PT1M42S
duration ms: 102160
explicit: false
by artist: Johann Sebastian Bach
by artist: Michaël Lévinas
in album: "A Classical Concert": Baroque Composers
  type: MusicAlbum
  date published: 2025-04-29
genre: classical
genre: classical-piano
isrc code: FRZ390300870
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T08:29:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x52a2113808eaccb2bc87a78d2929dea793ce5c3b040ce16308f56493909f908f
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
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in D Minor, BWV 851
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Piano Sonata No. 12 in F Major, K. 332: II. Adagio
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by artist: Maria João Pires
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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: 2026-07-08T03:22:41Z
audio: Piano Sonata No. 12 in F Major, K. 332: II. Adagio
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in C Major, BWV 846
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by artist: Michaël Lévinas
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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: 2026-07-08T03:22:41Z
audio: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in C Major, BWV 846
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Goldberg Variations, BWV 988: Aria da Capo
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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: Goldberg Variations, BWV 988: Aria da Capo
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8 Variations on "Laat ons juichen" by C.E. Graaf in G, K.24: 8. Variation VII: Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: 8 Variations on "Laat ons juichen" by C.E. Graaf in G, K.24: 8. Variation VII: Adagio
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Entente prealable-12 compositeurs-Percussions de strasbourgg
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20 ans de Musique Contemporaine a Metz (Digitally Remastered)
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date published: 2011-01-11

Artists of History: Bach
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
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track: The Well-Tempered Clavier, Book 1: Prelude No. 1 in C Major BWV 846/1
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto for 2 Violins in D Minor, BWV 1043: I. Vivace
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La clemenza di Tito / Act 1: Marcia (II)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: La clemenza di Tito / Act 1: Marcia (II)
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Sicilienne in G Minor, de la Sonate pour flûte traversière et clavecin in E-flat Major, BWV 1031
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Sicilienne in G Minor, de la Sonate pour flûte traversière et clavecin in E-flat Major, BWV 1031
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English Suite No. 2 In A Minor, BWV 807: 4. Sarabande
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: English Suite No. 2 In A Minor, BWV 807: 4. Sarabande
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Musik zu einem Ritterballet, WoO 1: No. 1, Marsch
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subject of: OpenTimestamps Proof of Existence
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audio: Musik zu einem Ritterballet, WoO 1: No. 1, Marsch
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5 Contredanses "Non più andrai", K. 609: No. 3 in D Major
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subject of: OpenTimestamps Proof of Existence
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audio: 5 Contredanses "Non più andrai", K. 609: No. 3 in D Major
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11 Bagatelles, Op. 119: 1. Allegretto
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audio: 11 Bagatelles, Op. 119: 1. Allegretto
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6 German Dances, K. 509: No. 1 in D Major
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subject of: OpenTimestamps Proof of Existence
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audio: 6 German Dances, K. 509: No. 1 in D Major
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Concert Rondo for Piano and Orchestra in D. K.382: 2. Adagio
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subject of: OpenTimestamps Proof of Existence
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6 Bagatelles, Op. 126: No. 3 Andante
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subject of: OpenTimestamps Proof of Existence
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Partita No. 2 in C minor, BWV 826: 3. Courante
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Partita No. 2 in C minor, BWV 826: 3. Courante
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March for Military Music in F Major, WoO 19
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audio: March for Military Music in F Major, WoO 19
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Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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audio: Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in E Major, BWV 854
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12 German Dances, WoO 8: 3. German Dance in F Major
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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: 2026-07-08T03:22:41Z
audio: 12 German Dances, WoO 8: 3. German Dance in F Major
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15 Three-part Inventions, BWV 787/801: Sinfonia No. 5 in E flat, BWV 791
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by artist: Blandine Verlet
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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: 2026-07-08T03:22:41Z
audio: 15 Three-part Inventions, BWV 787/801: Sinfonia No. 5 in E flat, BWV 791
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A Classical December: Bach
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Concerto in D Minor, BWV 974 - for Harpsichord/Arranged by Bach from: Oboe Concerto in D minor by Alessandro Marcello (1685-1750): 2. Adagio
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A Classical Postcard: Bach
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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: Suite No. 2 in B minor, BWV 1067: 7. Badinerie
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Ich ruf zu dir, Herr Jesu Christ, BWV 639
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OTSVerificationAPI
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Ich ruf zu dir, Herr Jesu Christ, BWV 639
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Levinas: La Métamorphose - Je, tu, il
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Brahms - Les 3 sonates pour violon & piano
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    date published: 2026-07-08T03:39:04Z
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Hindemith: Sonates - Lévinas: Les Lettres enlacées
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Scriabine-Etudes pour piano (integrale)
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Schumann: Oeuvres Pour Piano-Fantaisie Op 17-Kreislerianaop.1 6
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Lévinas: Par-delà
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Debussy : Oeuvres pour piano
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Beethoven : Variations Diabelli
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Levinas: La conférence des oiseaux
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Schubert : Wandererfantasie, D. 760 - Sonata, D. 960
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Franck: Piano Quintet / Chausson: String Quartet
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Lévinas: Voûtes
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2-Part Invention No. 8 in F Major, BWV 779
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Best of Bach
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Beethoven : Trios l'Archiduc & les Esprits
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The Sound of Bach
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Mozart et les oiseaux : Violin Sonatas Nos. 7-9 (Arr. for Flute)
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Le Petit Ménestrel: Beethoven raconté aux enfants
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Música Clásica Para Pequeñas Mentes
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Hommages (Jeanne d'Arc / Jean Zay)
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track: Introduction, Aria & Presto (arr. E. Bonelli): 1. Introduction
track: Water Music Suite No.1, HWV 348: 9. Ariette
track: Orchestral Suite No. 2 in B Minor, BWV 1067: 6. Menuet
track: Violin Partita No. 3 in E Major, BWV 1006: 5. Bourrée
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track: Concerto in D major (RV93) - Arr. for guitar A. Lagoya: 2. Largo
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track: The Well-Tempered Clavier: Book 2, BWV 870-893: Fugue in G Major, BWV 884
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track: Music for The Royal Fireworks, HWV 351: 5. Menuet I
track: 12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 12 in G Major, RV 298: 2. Largo
track: Arsilda Regina di Ponto R.700: Tornar voglio al primo ardore - Andante alla francese
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track: The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in F Minor, BWV 857
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track: 12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell' invenzione" / Concerto No. 4 in F minor for solo violin,"L'Inverno" - RV297: 3. Allegro
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Fugue (Sonatina) in G major, HWV582 (Arr. for two guitars A. Lagoya)
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6 Concerts transcrits en sextuor / 6e concert: 1. La Poule
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Concerto in D major (RV93) - Arr. for guitar A. Lagoya: 2. Largo
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Flute Sonata in E Flat Major, BWV 1031 - Arr. for Accordion by R. Galliano: 2. Siciliano
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6 Concerts transcrits en sextuor / 4e concert: 2. L'Indiscrète
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Water Music Suite No.1, HWV 348: 8. Menuet – Allegretto
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Concerto in D minor Op. 5 No. 7: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto in D minor Op. 5 No. 7: 3. Allegro
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The Well-Tempered Clavier: Book 1, BWV 846-869: Prelude in E Major, BWV 854
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subject of: OpenTimestamps Proof of Existence
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Orchestral Suite No. 1 in C Major, BWV 1066: 4. Forlane
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subject of: OpenTimestamps Proof of Existence
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6 Concerts transcrits en sextuor / 2e Concert: 3. L'Agaçante
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Guitar Concerto in A major (After the Trio Sonata in C major for violin, lute and continuo, RV82): 3. Allegro vivace
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Violin Sonata in D Minor, Op. 2, RV 14: II. Corrente. Allegro
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Suite for Cello Solo No. 1 in G, BWV 1007: 2. Allemande
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6 Concerts transcrits en sextuor / 1er Concert: 3. Le Vézinet
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subject of: OpenTimestamps Proof of Existence
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12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 3 in G Major, RV 301: 3. Allegro assai
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La Sena festeggiante, RV 693: Sinfonia. Allegro molto
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Violin Partita No. 3 in E Major, BWV 1006: 6. Gigue
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English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 3. Courante
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Introduction, Aria & Presto (arr. E. Bonelli): 3. Presto
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6 Concerts transcrits en sextuor / 1er Concert: 1. La Coulicam
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Music for The Royal Fireworks, HWV 351: 5. Menuet I
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subject of: OpenTimestamps Proof of Existence
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12 Violin Concertos, Op. 4 - "La stravaganza" / Concerto No. 12 in G Major, RV 298: 2. Largo
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subject of: OpenTimestamps Proof of Existence
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Arsilda Regina di Ponto R.700: Tornar voglio al primo ardore - Andante alla francese
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subject of: OpenTimestamps Proof of Existence
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Water Music Suite No.1, HWV 348: 6. Air - Andante
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Music for The Royal Fireworks, HWV 351: 2. Bourrée
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audio: Music for The Royal Fireworks, HWV 351: 2. Bourrée
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6 Concerts transcrits en sextuor / 5e concert: 3. La Marais
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English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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Suite No. 3 in D Major, BWV 1068: 2. Air
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12 Violin Concertos, Op. 8 "Il cimento dell'armonia e dell' invenzione" / Concerto No. 4 in F minor for solo violin,"L'Inverno" - RV297: 3. Allegro
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Keyboard Suite No. 7 in G minor, HWV432 - Arr. for two guitars A. Lagoya: 3. Allegro
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subject of: OpenTimestamps Proof of Existence
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6 Concerts transcrits en sextuor / 4e concert: 3. La Rameau
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