Karl Amadeus Hartmann
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genre: early-modern-classical
genre: austro-german-modernism
description: Karl Amadeus Hartmann (2 August 1905 – 5 December 1963) was a German composer. A major figure of the musical life of post-war Germany, he has been described as the greatest German symphonist of the 20
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album: Hartmann: Orchestral Works (Live)
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album: Hartmann: String Quartets
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  date published: 2019-02-08
album: Violin Solo, Vol. 8
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  date published: 2016-09-30
album: Simplicius Simplicissimus
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  date published: 2014-07-08
album: Hartmann: Symphonies Nos. 1-8
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album: Hartmann: Symphonic Hymns
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album: Hartmann, K.A.: Simplicius Simplicissimus
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album: Hartmann: Concerto funebre
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album: Hartmann: Concerto funebre; Violin Sonatas & Suites
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album: Hartmann, K.A.: Kleine Suites Nos. 1 and 2 / Piano Sonatas / Jazz Toccata and Fuge / Piano Sonatina
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album: Hartmann, K.A.: Sinfonia Tragica / Concerto for Viola and Piano
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album: Hartmann, K.A.: Concerto Funebre / Symphonies Nos. 2 and 4
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album: Hartmann: Wachsfigurenkabinett. Fünf kleine Opern
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album: Hartmann: Funèbre
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album: Hartmann: Symphonies Nos. 1 & 6
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  date published: 1999-07-01
album: Hartmann: String Quartets Nos. 1 & 2
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  date published: 1995-01-25
album: Hartmann: Sinfonien No. 5 & 6
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  date published: 1981-11-20
album: Hartmann: Symphonies Nos. 5, 6 and 8
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  date published: 1972
album: Hartmann: Symphony No. 7
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album: Hartmann, K.A.: Simplicius Simplicissimus
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album: Mahler: Symphony No.9
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  date published: 1999-01-01
album: Wartime Consolations
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album: Complete Recordings On Deutsche Grammophon - Vol.1 - Orchestral Works (Pt. 2)
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  track: The Moldau (From Má Vlast), JB 1:112 - Version 1960
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album: Musica Viva Festival 2008, Vols. 1-6
album: EntArteOpera Festival: Concerto for Violin & Double Concertos
album: Chant d'automne: Works by Hartmann, Grunelius, Hindemith & Fischer
album: Szinergia
album: Tief in der Nacht: Songs by Berg and Hartmann
album: Time & Eternity
album: Recordings conducted by Kubelik
album: Ferenc Fricsay: A Life In Music
album: Carl Seemann: Complete Deutsche Grammophon Recordings
album: Contemporary Clarinet Concertos
album: Karl Amadeus Hartmann: Kammerkonzert - Tanz-Variationen, Einleitung und Thema
album: Blue Hour
album: 1930s Violin Concertos, Vol. 1
album: Op. 2 - Hartmann, Mendelssohn, Respighi, Schubert
album: Hartmann: Quartet No. 1 - Bartók: Quartet No. 4
album: Beethoven, Bruckner, Hartmann & Holliger: String Quartets
album: 40 Year of Donau Musicday Vol. 1
album: Hartmann: Concerto Funèbre & Henze: I Sentimenti di C.P.E Bach

Kammerkonzert: IIc. Var. 2, Adagio
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Kammerkonzert: I. Introduktion
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Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)
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Concerto funèbre for Violin and String Orchestra: II. Adagio
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Bedřich Smetana
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Berliner Philharmoniker
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Complete Recordings On Deutsche Grammophon - Vol.1 - Orchestral Works (Pt. 2)
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EntArteOpera Festival: Concerto for Violin & Double Concertos
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Chant d'automne: Works by Hartmann, Grunelius, Hindemith & Fischer
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Szinergia
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track: Kammerkonzert: IIc. Var. 2, Adagio
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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
  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
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  by artist: Franz Liszt Chamber Orchestra
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  subject of: OpenTimestamps Proof of Existence
  audio: Romanian Folk Dances, Sz. 68 (Arr. for Clarinet, Cimbalom & String Orchestra by Jonas Dominique & Olof Wendel): No. 5, Poargǎ româneascǎ
track: Epigram No. 6 (Arr. for Clarinet, Cello & Orchestra by István Várdai)
track: Kammerkonzert: I. Introduktion

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe0810a583d3e288db4d649f87615805abda9d9a660875a8ed3fbd68f9ccba959. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/DERK62463720.
date published: 2026-07-08T08:56:20Z

Romanian Folk Dances, Sz. 68 (Arr. for Clarinet, Cimbalom & String Orchestra by Jonas Dominique & Olof Wendel): No. 5, Poargǎ româneascǎ
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Epigram No. 6 (Arr. for Clarinet, Cello & Orchestra by István Várdai)
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duration ms: 99186
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by artist: Pablo Barragán
by artist: Istvan Vardai
by artist: Franz Liszt Chamber Orchestra
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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
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Epigram No. 6 (Arr. for Clarinet, Cello & Orchestra by István Várdai)
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Tief in der Nacht: Songs by Berg and Hartmann
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date published: 2010-10-15

Time & Eternity
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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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5f925a167298a21264ec1817bb7756e22a50d655000ef8b9347478f71f1a26. 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/FR50X1854501.
    date published: 2026-07-08T03:53:27Z
  audio: Kol Nidre (Cantor)
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    additional property: Danceability
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  type: MusicRecording
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T08:56:20Z
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  by artist: Sarah Würsten
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  additional property: OTSVerificationAPI
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  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Elijahu Hanawi
track: Concerto funèbre for Violin and String Orchestra: I. Introduction (Largo)
track: Unsterbliche Opfer - War Cadenza (Improvisation) - Arr. for String Orchestra and Accordion
track: Dwa serduszka
track: Concerto funèbre for Violin and String Orchestra: II. Adagio
track: Concerto funèbre for Violin and String Orchestra: III. Allegro di molto
track: Concerto funèbre for Violin and String Orchestra: IV. Choral

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OTSBitcoinBlockVerifyURL
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OTSVerificationAPI
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OTSTimestamp
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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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96b516f728e9fa68a25e5f1c101be50c0606fe57bdbcf528aec8608be836ce55. 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/FR50X1854503.
date published: 2026-07-08T03:20:19Z

Elijahu Hanawi
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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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: Key Name
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additional property: Mode Name
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duration: PT4M21S
duration ms: 261707
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by artist: N. N. Ikonnikow
by artist: Wieslaw Pipczynski
by artist: Camerata Bern
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genre: chamber-music
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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: 2026-07-08T08:56:20Z
audio: Unsterbliche Opfer - War Cadenza (Improvisation) - Arr. for String Orchestra and Accordion
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Recordings conducted by Kubelik
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Ferenc Fricsay: A Life In Music
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Carl Seemann: Complete Deutsche Grammophon Recordings
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Contemporary Clarinet Concertos
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Hartmann, K.A.: Sinfonia Tragica / Concerto for Viola and Piano
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Karl Amadeus Hartmann: Kammerkonzert - Tanz-Variationen, Einleitung und Thema
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Blue Hour
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1930s Violin Concertos, Vol. 1
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Op. 2 - Hartmann, Mendelssohn, Respighi, Schubert
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Hartmann: Quartet No. 1 - Bartók: Quartet No. 4
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Beethoven, Bruckner, Hartmann & Holliger: String Quartets
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40 Year of Donau Musicday Vol. 1
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Hartmann: Concerto Funèbre & Henze: I Sentimenti di C.P.E Bach
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