Sofia Philharmonic Orchestra
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genre: classical
genre: opera
genre: orchestra
description: The Sofia Philharmonic (Bulgarian: Софийска филхармония) was founded in 1893. The current music director is Nayden Todorov. The Sofia Philharmonic includes the National Philharmonic Orchestra, Natio
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album: Adam: Orfa (Ed. Dario Salvi)
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album: Brahms, Piano Concerto #2
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album: Virtuosity
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album: Verdi: La traviata
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  track: La traviata, Act I: Prelude
  track: La traviata, Act I: Libiamo ne lieti calici
  track: La traviata, Act I: Dell'invito trascorsa è già l'ora
  track: La traviata, Act I: Follie! Delirio vano è questo! - Sempre libera
album: Turandot & Madamn Butterfly - Opera Highlights
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album: Teresa Procaccini: Musica per orchestra IV
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album: Peter Hristoskov - Violinist and Composer, Pt. 2
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album: Dukas: L'Apprenti Sorcier, Saint-Saens: Danse Macabre, Le Carnaval des Animeaux & Ravel: Ma Mere L'Oye
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album: Brahms: Tragic Overture - Symphony No. 4
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album: Brahms: Symphony No. 3 - Haydn Variations
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album: Brahms: Academic Festival Overture - Symphony No. 1
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album: Stravinsky: Pulcinella Suite - Jeu de Cartes - Symphony for Wind Instruments
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album: Brahms: Ein Deutsches Requiem
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album: Handel: Messiah
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album: Meyerbeer in France
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album: Symphony, No. 5
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album: Piano Concerto, No. 3 in C Minor, Op. 37 (Remastered 2024)
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album: Ernst Toch: Zweites Klavierkonzert, Op. 61 & Musik für Orchester und eine Baritonstimme
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album: Piano Works: Beethoven, Chopin and Debussy
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album: Johann Sebastian Bach - Antonio Vivaldi - Wolfgang Amadeus Mozart: Concerts for Violin and Orchestra
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album: Gustav Mahler: Symphony No 9 in D-Major
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  date published: 2011-08-08
album: Gustav Mahler: Symphony No 8 in Es-Major, "Symphonie der Tausend"
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  date published: 2011-08-08
album: Gustav Mahler: Symphony No 7 in E moll, "Lied der Nacht"
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album: Gustav Mahler: Symphony No 6 in A moll, "Tragische"
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album: Gustav Mahler: Symphony No 5 in Cis moll
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  date published: 2011-08-06
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album: Gustav Mahler: Symphony No 3 in D-moll
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  date published: 2011-08-06
album: Franz Joseph Haydn: Concerts for Piano and Orchestra
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  date published: 2011-08-05
album: Adam: Griseldis
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  date published: 2025-05-09
track: Fidelio, Op. 72: Act I: March
track: La Traviata, Act I: Brindisi - "Libiamo ne' lieti calici" (Instrumental Version)
track: Fidelio, Op. 72: Act I: Finale: O welche Lust, in freier Luft den Atem leicht zu heben!, "Prison Chorus"
track: Klavierkonzert Nr. 5 Es-Dur, Op. 73: I. Allegro
track: La Traviata, Act I: Brindisi (Instrumental Version)
track: Tosca, Act II: Vissi d'arte (Instrumental Version)
track: Tosca, Act III: "E lucevan le stelle" (Instrumental Version)
track: Gianni Schicchi: O Mio Babbino Caro
track: Klavierkonzert Nr. 5 Es-Dur, Op. 73: II. Adagio un poco mosso
track: Gianni Schicchi: O mio babbino caro
track: Klavierkonzert Nr. 5 Es-Dur, Op. 73: III. Rondo: Allegro
track: La Traviata, Act II: Germont's Aria - "Di provenza il mar, il sol" (Instrumental Version)
track: La Traviata, Act II: Gypsy Chorus (Instrumental Version)
track: Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
track: Fidelio, Op. 72: Overture

La traviata, Act I: Prelude
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La traviata, Act I: Libiamo ne lieti calici
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La traviata, Act I: Dell'invito trascorsa è già l'ora
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La traviata, Act I: Follie! Delirio vano è questo! - Sempre libera
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Fidelio, Op. 72: Act I: March
type: MusicRecording
duration: PT2M26S
duration ms: 146573
explicit: false
by artist: Ludwig van Beethoven
by artist: Reiner Goldberg
by artist: Bulgarian National Svetoslav Obretenov Choir
by artist: Budapest Symphony Orchestra
by artist: Sofia Philharmonic Orchestra
by artist: Staatskapelle Berlin
by artist: Tamas Pal
by artist: Siegfried Kurz
by artist: Georgi Robev
in album: Beethoven Masterpieces, Vols. 1-5
  type: MusicAlbum
  date published: 1989-01-01
popularity: 20
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: US2TL0924019
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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
additional property: ProofProfileEvidenceStatus
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  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72: Act I: March
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La Traviata, Act I: Brindisi - "Libiamo ne' lieti calici" (Instrumental Version)
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duration: PT3M9S
duration ms: 189683
explicit: false
by artist: Sofia Philharmonic Orchestra
by artist: Emil Tabakov
by artist: Giuseppe Verdi
in album: 100 Must-Have Opera Karaoke
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  date published: 2015-07-21
popularity: 19
genre: classical
genre: opera
genre: orchestra
isrc code: US5541404100
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T13:32:09Z
audio: La Traviata, Act I: Brindisi - "Libiamo ne' lieti calici" (Instrumental Version)
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Fidelio, Op. 72: Act I: Finale: O welche Lust, in freier Luft den Atem leicht zu heben!, "Prison Chorus"
type: MusicRecording
duration: PT3M44S
duration ms: 224000
explicit: false
by artist: Ludwig van Beethoven
by artist: Reiner Goldberg
by artist: Bulgarian National Svetoslav Obretenov Choir
by artist: Budapest Symphony Orchestra
by artist: Sofia Philharmonic Orchestra
by artist: Staatskapelle Berlin
by artist: Tamas Pal
by artist: Siegfried Kurz
by artist: Georgi Robev
in album: Beethoven Masterpieces, Vols. 1-5
  type: MusicAlbum
  date published: 1989-01-01
popularity: 14
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: US2TL0924017
additional property: CopyrightID
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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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additional property: ProofProfileEvidenceStatus
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Fidelio, Op. 72: Act I: Finale: O welche Lust, in freier Luft den Atem leicht zu heben!, "Prison Chorus"
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Klavierkonzert Nr. 5 Es-Dur, Op. 73: I. Allegro
type: MusicRecording
duration: PT21M2S
duration ms: 1262466
explicit: false
by artist: Ludwig van Beethoven
by artist: Anton Dikov
by artist: Sofia Philharmonic Orchestra
by artist: Emil Tabakov
in album: Beethoven Masterpieces, Vols. 1-5
  type: MusicAlbum
  date published: 1989-01-01
popularity: 5
genre: classical
genre: classical-piano
genre: chamber-music
isrc code: US2TL0924001
additional property: CopyrightID
additional property: CopyrightStatus
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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
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US2TL0924001
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
additional property: ProofProfileEvidenceStatus
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additional property: TokenDeploymentConfirmed
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  date published: 2026-07-08T03:20:19Z
audio: Klavierkonzert Nr. 5 Es-Dur, Op. 73: I. Allegro
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La Traviata, Act I: Brindisi (Instrumental Version)
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duration: PT3M13S
duration ms: 193026
explicit: false
by artist: Giuseppe Verdi
by artist: Sofia Philharmonic Orchestra
by artist: Emil Tabakov
in album: 100 Must-Have Roadtrip Classics
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  date published: 2014-04-29
popularity: 3
genre: classical
genre: opera
isrc code: US5541305550
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: La Traviata, Act I: Brindisi (Instrumental Version)
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Tosca, Act II: Vissi d'arte (Instrumental Version)
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by artist: Sofia Philharmonic Orchestra
by artist: Emil Tabakov
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additional property: OTSVerifyInstructions
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  date published: 2026-07-08T03:53:27Z
audio: Tosca, Act II: Vissi d'arte (Instrumental Version)
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Tosca, Act III: "E lucevan le stelle" (Instrumental Version)
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duration: PT2M59S
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Gianni Schicchi: O Mio Babbino Caro
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Klavierkonzert Nr. 5 Es-Dur, Op. 73: II. Adagio un poco mosso
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Gianni Schicchi: O mio babbino caro
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Klavierkonzert Nr. 5 Es-Dur, Op. 73: III. Rondo: Allegro
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La Traviata, Act II: Germont's Aria - "Di provenza il mar, il sol" (Instrumental Version)
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La Traviata, Act II: Gypsy Chorus (Instrumental Version)
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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

Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
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duration: PT5M15S
duration ms: 315141
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by artist: Giuseppe Verdi
by artist: Bulgarian National Choir
by artist: Sofia Philharmonic Orchestra
by artist: Georgi Robev
in album: 100 Must-Have Italian Classics
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  date published: 2013-06-04
popularity: 1
genre: classical
genre: opera
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T12:24:41Z
audio: Nabucco, Act III: Va pensiero (Chorus of the Hebrew Slaves)
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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Fidelio, Op. 72: Overture
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duration: PT6M20S
duration ms: 380600
explicit: false
by artist: Ludwig van Beethoven
by artist: Reiner Goldberg
by artist: Bulgarian National Svetoslav Obretenov Choir
by artist: Budapest Symphony Orchestra
by artist: Sofia Philharmonic Orchestra
by artist: Staatskapelle Berlin
by artist: Tamas Pal
by artist: Siegfried Kurz
by artist: Georgi Robev
in album: Beethoven Masterpieces, Vols. 1-5
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popularity: 1
genre: classical
genre: classical-piano
genre: chamber-music
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  date published: 2026-07-31T18:48:12Z
audio: Fidelio, Op. 72: Overture
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additional property: OTSVerifyInstructions
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