Bohdan Warchal
type: MusicGroup
genre: classical
description: Bohdan Warchal (27 January 1930 in Orlová, Czechoslovakia – 30 December 2000 in Bratislava, Slovakia) was a Slovak violinist, a member of the Slovak Philharmonic Orchestra and founder, chief conductor
popularity: 31
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album: Haydn: Symphonies Nos. 4-6
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album: Telemann: Suites & Concertos
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album: Trumpet Concertos
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  track: Concerto for Trumpet and Orchestra in D Minor, Op. 9, No. 2: I. Allegro e non presto
  track: Concerto for Trumpet and Orchestra in D Minor, Op. 9, No. 2: III. Allegro
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  track: Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Opening)
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  track: Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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album: De la Musica Antigúa al Barroco - Bach - Handel
track: Water Music Suite No. 1 In F Major, HV 348: V. Air
track: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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track: Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe (Excerpt)
track: Serenade No. 13 in G, 'Eine Kleine Nachtmusik' K. 525: II. Romanze (Andante)
track: Concierto De Aranjuez: II. Adagio
track: Brandenburg Concerto No. 1 in F Major, BWV 1046: Adagio
track: Chamber Symphony, Op. 110a (after String Quartet No. 8): II. Allegro molto

Concerto for Trumpet and Orchestra in D Minor, Op. 9, No. 2: I. Allegro e non presto
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Concerto for Trumpet and Orchestra in D Minor, Op. 9, No. 2: III. Allegro
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Water Music Suite No. 1 In F Major, HV 348: V. Air
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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audio: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. Allegro
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Concerto in D Minor for Guitar and Orchestra, FWV L:d 1: III. Un poco allegro
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audio: Concerto in D Minor for Guitar and Orchestra, FWV L:d 1: III. Un poco allegro
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Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe (Excerpt)
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audio: Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe (Excerpt)
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Serenade No. 13 in G, 'Eine Kleine Nachtmusik' K. 525: II. Romanze (Andante)
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audio: Serenade No. 13 in G, 'Eine Kleine Nachtmusik' K. 525: II. Romanze (Andante)
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Concierto De Aranjuez: II. Adagio
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audio: Concierto De Aranjuez: II. Adagio
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Brandenburg Concerto No. 1 in F Major, BWV 1046: Adagio
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audio: Brandenburg Concerto No. 1 in F Major, BWV 1046: Adagio
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Chamber Symphony, Op. 110a (after String Quartet No. 8): II. Allegro molto
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audio: Chamber Symphony, Op. 110a (after String Quartet No. 8): II. Allegro molto
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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

Danceability
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value: 0.232

Energy
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Speechiness
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Acousticness
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Instrumentalness
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Liveness
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Valence (Positivity)
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Loudness (dB)
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Key Name
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Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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duration: PT11M19S
duration ms: 679000
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by artist: Johann Strauss II
by artist: Strauss Festival Orchestra
by artist: Ondrej Lenard
in album: 101 Classics - The Best Loved Classical Melodies
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popularity: 1
isrc code: HKI199245302
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3cf3d98fb8cedf7081cd6c2baa223ac7a75c4dfe2757d2046c0032766d09e8. 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/HKI199245302.
  date published: 2026-07-08T03:20:19Z
audio: Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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The Danube Waves: Valurile Dunarii (The Danube Waves)
type: MusicRecording
duration: PT5M31S
duration ms: 331000
explicit: false
by artist: Ion Ivanovici
by artist: Budapest Strauss Ensemble
by artist: Istvan Bogar
in album: 101 Classics - The Best Loved Classical Melodies
  type: MusicAlbum
  date published: 1998-12-01
popularity: 2
isrc code: HKI199245303
additional property: CopyrightID
additional property: CopyrightStatus
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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/HKI199245303
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5bd970366a1bd2a195551c04fc4cbffe0a5cc2f081656bccc87160b17076edfa. 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/HKI199245303.
  date published: 2026-07-08T03:20:19Z
audio: The Danube Waves: Valurile Dunarii (The Danube Waves)
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Serenade for Strings in C Major, Op. 48: II. Walzer
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duration: PT3M53S
duration ms: 233000
explicit: false
by artist: Pyotr Ilyich Tchaikovsky
by artist: Vienna Chamber Orchestra
by artist: Philippe Entremont
in album: 101 Classics - The Best Loved Classical Melodies
  type: MusicAlbum
  date published: 1998-12-01
popularity: 1
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additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c01325e5b2bd199eaf5d18e9bf68007b9d4685dc03661319f47c9584da94c28. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI199632102.
  date published: 2026-07-08T03:53:27Z
audio: Serenade for Strings in C Major, Op. 48: II. Walzer
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  additional property: Tempo (BPM)
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Les Patineurs, Op. 183, "The Skater's Waltz"
type: MusicRecording
duration: PT7M32S
duration ms: 452293
explicit: false
by artist: Émile Waldteufel
by artist: Slovak State Philharmonic Orchestra, Kosice
by artist: Alfred Walter
in album: 101 Classics - The Best Loved Classical Melodies
  type: MusicAlbum
  date published: 1998-12-01
popularity: 1
isrc code: HKI199352601
additional property: CopyrightID
additional property: CopyrightStatus
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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
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
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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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc37e20d6ea4ec29d5fc96e92320a8492a81822daf4e36eace07787cff56edcfd. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/HKI199352601.
  date published: 2026-07-08T03:53:27Z
audio: Les Patineurs, Op. 183, "The Skater's Waltz"
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Sobre las olas (Over the Waves)
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duration: PT6M17S
duration ms: 377000
explicit: false
by artist: Juventino Rosas
by artist: Mexico Festival Orchestra
by artist: Enrique Bátiz
in album: 101 Classics - The Best Loved Classical Melodies
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  date published: 1998-12-01
popularity: 1
genre: late-romantic-era
genre: latin-classical
genre: mexican-classical
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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: Sobre las olas (Over the Waves)
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The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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duration: PT6M56S
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by artist: Slovak Radio Symphony Orchestra
by artist: Ondrej Lenard
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  date published: 1998-12-01
popularity: 1
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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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Adagio 2
type: MusicAlbum
date published: 2010-03-30

De la Musica Antigúa al Barroco - Bach - Handel
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date published: 2014-11-30