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description: thumb|Luise Adolpha Le Beau (1872). thumb|Luise Adolpha Le Beau. Luise Adolpha Le Beau (25 April 1850 in Rastatt, Grand Duchy of Baden – 17 July 1927 in Baden-Baden) was a German composer of class
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album: Le Beau: Complete Piano Music
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  track: 4 Pieces for Cello & Piano, Op. 24: No. 3. Wiegenlied in G Major: Ruhig
  track: 4 Pieces for Cello & Piano, Op. 24: No. 4. Mazurka in A Minor: Lebhaft
  track: 3 Pieces for Viola & Piano, Op. 26: No. 1. Nachtstuck
  track: 3 Pieces for Viola & Piano, Op. 26: No. 3. Polonaise
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album: Romanze
album: Gavotte
album: Wiegenlied
album: Mazurka
album: Vier Stücke, op. 24
album: Präludium Nr. 1
album: Präludium Nr. 2
album: Präludium Nr. 3
album: Präludium Nr. 4
album: Präludium Nr. 5
album: Präludium Nr. 6
album: Präludium Nr. 7
album: Präludium Nr. 8
album: Le Beau: Quartet in F Minor, Op. 28: II. Adagio
album: Le Beau: Quartet in F Minor, Op. 28: III. Tempo di Mazurka
album: Le Beau: Cello Sonata in D Major, Op. 17: II. Andante Tranquillo (Arr. Assad for Guitar)
album: Le Beau: Chamber Music & Songs
album: Le Beau: Ballade in B Minor, Op. 47
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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: 2026-07-31T12:24:41Z
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3 Pieces for Viola & Piano, Op. 26: No. 3. Polonaise
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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
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Cello Sonata in D Major, Op. 17: I. Allegro molto
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genre: singer-songwriter
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T00:26:26Z
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Cello Sonata in D Major, Op. 17: II. Andante tranquillo
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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
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Cello Sonata in D Major, Op. 17: III. Allegro vivace
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
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Le Beau: Chamber Works for Cello, Viola & Piano?
type: MusicAlbum
date published: 2015-07-01

Romanze
type: MusicAlbum
date published: 2022-12-02

Gavotte
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date published: 2022-12-03

Wiegenlied
type: MusicAlbum
date published: 2022-12-04

Mazurka
type: MusicAlbum
date published: 2022-12-05

Vier Stücke, op. 24
type: MusicAlbum
date published: 2023-08-08

Präludium Nr. 1
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date published: 2023-08-12

Präludium Nr. 2
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date published: 2023-08-13

Präludium Nr. 3
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date published: 2023-08-14

Präludium Nr. 4
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date published: 2023-08-15

Präludium Nr. 5
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date published: 2023-08-16

Präludium Nr. 6
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date published: 2023-08-17

Präludium Nr. 7
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date published: 2023-08-18

Präludium Nr. 8
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date published: 2023-08-19

Le Beau: Quartet in F Minor, Op. 28: II. Adagio
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date published: 2024-05-03

Le Beau: Quartet in F Minor, Op. 28: III. Tempo di Mazurka
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date published: 2024-05-10

Le Beau: Cello Sonata in D Major, Op. 17: II. Andante Tranquillo (Arr. Assad for Guitar)
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date published: 2025-02-28

Le Beau: Chamber Music & Songs
type: MusicAlbum
date published: 2025-04-18

Le Beau: Ballade in B Minor, Op. 47
type: MusicAlbum
date published: 2025-05-09

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subject of: OpenTimestamps Proof of Existence
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Cello Sonata in D Major, Op. 17: II. Andante tranquillo
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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 0x12072c18fff1ca681b1f91e4d6078022d81c0568e3c2127a7258e7eab1a04791. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239410 — a six-check JSON result.
  date published: 2026-06-13T12:47:07Z
audio: Cello Sonata in D Major, Op. 17: II. Andante tranquillo
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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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Cello Sonata in D Major, Op. 17: III. Allegro vivace
type: MusicRecording
duration: PT5M53S
duration ms: 353200
explicit: false
by artist: Luise Adolpha Le Beau
by artist: Connie Shih
by artist: Steven Isserlis
in album: A Golden Cello Decade, 1878-1888: Dvořák, R. Strauss, Bruch, Le Beau
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  date published: 2022-11-04
isrc code: GBAJY2239411
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239411
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
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2e3902fe634e88d07395216e36ecb3bbd0d50b988a9f08fa58c47675d3cba5dd. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239411 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in D Major, Op. 17: III. Allegro vivace
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Romanze, Op. 35
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duration: PT3M26S
duration ms: 206840
explicit: false
by artist: Luise Adolpha Le Beau
by artist: Raphaela Gromes
by artist: Julian Riem
in album: Femmes
  type: MusicAlbum
  date published: 2023-02-03
isrc code: DEE862201865
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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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/DEE862201865
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 0x0ccabb6bdfa33f8b7fb0ce07de8874a4dd976e8f4221c735b00427b0daef14ee. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEE862201865 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Romanze, Op. 35
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.245
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
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    value: 1
  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
    type: PropertyValue
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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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  additional property: Mode Name
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Cello Sonata in D Major, Op. 17: II. Andante tranquillo
type: MusicRecording
duration: PT4M30S
duration ms: 270560
explicit: false
by artist: Luise Adolpha Le Beau
by artist: Steven Isserlis
by artist: Connie Shih
in album: Dark Academia
  type: MusicAlbum
  date published: 2024-09-01
isrc code: GBAJY2239410
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x12072c18fff1ca681b1f91e4d6078022d81c0568e3c2127a7258e7eab1a04791
additional property: OTSHash
additional property: OTSBitcoinBlock
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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/GBAJY2239410
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 0x12072c18fff1ca681b1f91e4d6078022d81c0568e3c2127a7258e7eab1a04791. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBAJY2239410 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Cello Sonata in D Major, Op. 17: II. Andante tranquillo
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 103.874
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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