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description: 250px|thumb|Rosbaud Hans Rosbaud (22 July 1895 – 29 December 1962) was an Austrian conductor, particularly associated with the music of the twentieth century. Biography thumb|Hans Rosbaud conductin
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album: Leon Fleisher Live, Vol. 3
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album: Rudolf Firkušný - Soloist and Partner
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album: Walter Gieseking Collection, Vol. 46
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album: ROSBAUD conducts SIBELIUS (Remastered 2024)
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album: Milestones of a Violin Legend: Henryk Szeryng, Vol. 8
album: Milestones of a Violin Legend: Henryk Szeryng, Vol. 7
track: Spring in Baden Baden

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Sibelius: Orchestral Works (Remastered 2021)
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Classical Selection - Bruckner: Symphony No. 7
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Symphony No. 5 in C Minor, Op. 67: III. Scherzo. Allegro
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Symphony No. 5 in C Minor, Op. 67: IV. Allegro
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Schubert: Symphony No. 9 in C Major, D. 944 "Great"
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R. Schumann: Symphony No. 1 in B-Flat Major, Op. 38 "Spring"
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Beethoven: Symphony No. 3 in E-Flat Major, Op. 55 "Eroica"
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Beethoven: Symphony No. 6 in F Major, Op. 68 "Pastoral"
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Liszt: Piano Concertos Nos. 1 & 2
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Brahms: Serenades Nos. 1 & 2
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Beethoven: Triple Concerto, Op. 56
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Beethoven: Symphony No. 7 in A Major, Op. 92
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Beethoven: Overtures
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Milestones of a Violin Legend: Henryk Szeryng, Vol. 8
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  subject of: OpenTimestamps Proof of Existence
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Milestones of a Violin Legend: Henryk Szeryng, Vol. 7
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Spring in Baden Baden
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CH6631451605
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 0x42c96eabc22cc63b47f47e3389c3eb3751f8bea1a6e74da3c5df6e79a9a46822. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/CH6631451605.
  date published: 2026-07-31T00:26:26Z
audio: Spring in Baden Baden
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.47
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.286
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.841
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.832
  additional property: Liveness
    type: PropertyValue
    value: 0.184
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.481
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.305
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor