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description: Baron Arthur Grumiaux (; 21 March 1921 – 16 October 1986) was a Belgian violinist, considered by some to have been "one of the few truly great violin virtuosi of the twentieth century". He has been no
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Violin Concerto No. 5 in A Major, K. 219 'Turkish': I. Allegro aperto
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Violin Sonata in B flat Major K. 454 - II. Andante - Remastered 2021
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David Oistrakh Plays Violin Works by Vivaldi: Concertos Rv 551, 514 / Leclair: Violin Sonata, Op. 9 No. 3 / Mozart: Sinfonia Concertante, K.364
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Arthur Grumiaux, Vol. 2 (Live)
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Beethoven : Sonatas for Piano & Violin No. 5, No. 7
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Piano Sonatas
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Violin Concertos
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Mendelssohn: Violin Concerto, Nathan Milstein vs. Arthur Grumiaux (Compare 2 Versions)
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French & Belgian Violin Sonatas
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Paganini: Concerto pour violon No. 4 (Mono Version)
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Violin Concerto No. 3 in G Major, K. 216: II. Adagio
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Mélodie from "Orfeo ed Euridice" (Dance of the Blessed Spirits) [Arranged For Violin And Piano]
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f145aef721c7b387836962c2992c353e8a8aa37479e679d1f1e3df8b87d16db. 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/NLA507200931.
  date published: 2026-07-08T03:20:19Z
audio: "Ellens Gesang III", D839: Ave Maria
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.156
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.063
  additional property: Speechiness
    type: PropertyValue
    value: 0.05
  additional property: Acousticness
    type: PropertyValue
    value: 0.988
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.029
  additional property: Liveness
    type: PropertyValue
    value: 0.076
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.044
  additional property: Loudness (dB)
    type: PropertyValue
    value: -27.346
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major