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genre: classical
description: Jean-Jacques Kantorow (born 3 October 1945) is a French violinist and conductor. His son is the pianist Alexandre Kantorow. Biography Kantorow was born in Cannes, France, into a family of Russian-
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  track: Allegro appassionato in C-Sharp Minor, Op. 70, R. 37
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  track: Rhapsodie d'Auvergne, Op. 73, R. 201
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album: L'Art du Violon
album: Rêves - Ysaÿe: Violin Concerto in E Minor, Poème Concertant
album: Saint-Saëns: Symphonies, Vol. 2
album: Lalo: Violin Concerto, Fantaisie norvegienne & Symphonie espagnole
album: Palomo: Cantos del alma & Sinfonia a Granada
album: Harp Concertos
track: Fratres for Strings and Percussion
track: Harp Concerto in B-Flat Major, HWV 294: I. Andante - Allegro
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Piano Concerto No. 2 in G Minor, Op. 22, R. 190: III. Presto
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  date published: 2026-07-07T11:43:09Z
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Wedding Cake, Op. 76, R. 124
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Allegro appassionato in C-Sharp Minor, Op. 70, R. 37
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Piano Concerto No. 1 in D Major, Op. 17, R. 185: I. Andante
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Piano Concerto No. 1 in D Major, Op. 17, R. 185: III. Allegro con fuoco
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Rhapsodie d'Auvergne, Op. 73, R. 201
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Africa, Op. 89, R. 204
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L'Art du Violon
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Saint-Saëns: Symphonies, Vol. 2
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1c857cfeed72d572125e73606dbcc7487a8b74d680fb92e8b7f451e53d5b38b. Chain 2 (Bitcoin): anchored in block 960481 (2026-07-31T23:51:35Z), 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/SEAEA2170050 — a six-check JSON result.
    date published: 2026-07-31T23:51:35Z
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Lalo: Violin Concerto, Fantaisie norvegienne & Symphonie espagnole
type: MusicAlbum
date published: 2009-05-26

Palomo: Cantos del alma & Sinfonia a Granada
type: MusicAlbum
date published: 2008-04-29

Harp Concertos
type: MusicAlbum
date published: 2003-08-15
track: Harp Concerto in C Minor: I.Allegro spiritoso
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  by artist: Marielle Nordmann
  by artist: Jean-Jacques Kantorow
  by artist: Orchestre d'Auvergne
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    type: MusicAlbum
    date published: 2003-08-15
  popularity: 2
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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
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    date published: 2026-07-31T12:24:41Z
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track: Harp Concerto in C Minor: III.Allegro
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  by artist: Marielle Nordmann
  by artist: Jean-Jacques Kantorow
  by artist: Orchestre d'Auvergne
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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
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35a6970a540f77d3b02e24bf8a8d7edebc2ed279a51ca13870392bc1bbf4a3e6. 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/GBAYC9203227 — a six-check JSON result.
    date published: 2026-07-08T03:20:19Z
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Fratres for Strings and Percussion
type: MusicRecording
duration: PT9M49S
duration ms: 589000
explicit: false
by artist: Arvo Pärt
by artist: Jean-Jacques Kantorow
by artist: Tapiola Sinfonietta
by artist: Juho Vartiainen
in album: Dark Classical Music
  type: MusicAlbum
  date published: 2019-04-12
popularity: 19
isrc code: SEAEI9634040
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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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
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  date published: 2026-07-02T03:30:09Z
audio: Fratres for Strings and Percussion
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Harp Concerto in B-Flat Major, HWV 294: I. Andante - Allegro
type: MusicRecording
duration: PT6M6S
duration ms: 366733
explicit: false
by artist: George Frideric Handel
by artist: Marielle Nordmann
by artist: Jean-Jacques Kantorow
by artist: Orchestre d'Auvergne
in album: Harfe: die schönsten Konzerte
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popularity: 12
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-30T03:35:13Z
audio: Harp Concerto in B-Flat Major, HWV 294: I. Andante - Allegro
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Summa
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duration: PT5M24S
duration ms: 324000
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by artist: Jean-Jacques Kantorow
by artist: Tapiola Sinfonietta
in album: 20th Century Classics
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popularity: 8
isrc code: SEAEI9634060
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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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
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c419d9f95bc90206503625cd6f49c8802df41712a76eeff652b5b0e1112d910. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEAEI9634060 — a six-check JSON result.
  date published: 2026-07-02T03:55:08Z
audio: Summa
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Harp Concerto in B-Flat Major, HWV 294: II. Larghetto
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duration: PT7M52S
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by artist: George Frideric Handel
by artist: Marielle Nordmann
by artist: Jean-Jacques Kantorow
by artist: Orchestre d'Auvergne
in album: Harfe: die schönsten Konzerte
  type: MusicAlbum
  date published: 2020-11-27
popularity: 3
genre: classical
genre: opera
genre: early-music
genre: baroque
genre: english-baroque
genre: german-baroque
genre: choral
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-08T03:22:41Z
audio: Harp Concerto in B-Flat Major, HWV 294: II. Larghetto
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    type: PropertyValue
    value: 0.167
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.079
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.174
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Minor