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album: Great Tenor Arias
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album: Cimarosa: Pittore Parigino, (Il)
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album: 100 Must-Have Opera Karaoke
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album: 99 Must-Have Mozart Masterpieces
album: 50 of the Best: Mozart
album: Hummel: Piano Concertos Nos. 2 and 3
album: 100 Must-Have Breakfast Classics
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album: 100 Must-Have Italian Classics
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album: Michael Haydn: Andromeda e Perseo, P. 25 (Sung in Italian)
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album: Dvorak, A.: Symphony No. 9, "From the New World" / Romance / Carnival Overture
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album: Towards Light
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Fidelio, Op. 72, Act I: March
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Symphony No. 36 in C Major, K. 425 "Linz": III. Menuetto
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Fidelio, Op. 72: Act I: Finale: O welche Lust, in freier Luft den Atem leicht zu heben!, "Prison Chorus"
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Fidelio, Op. 72: Act I: March
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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
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popularity: 20
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additional property: OTSVerifyInstructions
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  date published: 2026-06-13T13:32:09Z
audio: Fidelio, Op. 72: Act I: March
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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
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  date published: 2026-07-31T18:48:12Z
audio: Fidelio, Op. 72: Overture
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Fidelio, Op. 72: Act II: Introduction and Aria: Gott! welch' Dunkel hier!
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duration: PT10M49S
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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
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popularity: 0
genre: classical
genre: classical-piano
genre: chamber-music
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-31T05:49:18Z
audio: Fidelio, Op. 72: Act II: Introduction and Aria: Gott! welch' Dunkel hier!
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A Csillagokban Járunk (feat. Tamás Pál)
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additional property: OTSVerificationAPI
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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: 2026-07-02T03:30:09Z
audio: A Csillagokban Járunk (feat. Tamás Pál)
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99 Must-Have Mozart Masterpieces
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date published: 2011-06-14
track: Piano Concerto No. 21 in C Major, K. 467 "Elvira Madigan": II. Andante
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    date published: 2026-07-08T03:22:41Z
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track: The Marriage of Figaro, K. 492: Overture
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50 of the Best: Mozart
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date published: 2011-11-15
track: Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
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track: Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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date published: 2026-07-08T03:53:27Z

Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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Ave verum corpus, K. 618
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subject of: OpenTimestamps Proof of Existence
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Fantasia in D Minor, K. 397
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Symphony No. 38 in D Major, K. 504, "Prague": III. Finale: Presto
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100 Must-Have Breakfast Classics
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track: Easy Blood Polka, Op. 319
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Moment Musical No. 3 in F Minor, Op. 94, D. 780
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Melody in F Major, Op. 3: No. 1
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Vergnügungszug Polka, Op. 281
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The Marriage of Figaro, K. 492: Cherubin's Song - "Voi Che Sapete" (Instrumental Version)
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Piano Concerto No. 26 in D Major, K. 537, "Coronation": III. Allegretto
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Music for the Royal Fireworks, HWV 351: V. Menuets I and II
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Song Without Words, Op. 67: No. 4 in C Major, "Spinning Song"
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My Life Is Love and Pleasure, Op. 263
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Rondo a Capriccio in G Major, Op. 129, "Rage Over a Lost Penny“
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The Magic Flute, K. 620, Act II: Papageno‘s Aria (Instrumental Version)
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Water Music Suite No. 2 in D Major, HWV 349: II. Alla Hornpipe
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Mandolin Concerto in C Major, RV 425: I. Allegro
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Eljen a Magyar, Op. 332
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Humoresque, Op. 10: No. 2
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Perpetuum Mobile, Op. 257
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Horn Concerto No. 2 in E-Flat Major, K. 417: III. Rondo - Allegro
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Solomon, HWV 67, Act III: Arrival of the Queen of Sheba
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Piano Sonata No. 16 in C Major, K. 545, "Sonata Facile": I. Allegro
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subject of: OpenTimestamps Proof of Existence
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Carmen Suite No. 2, Act II: VI. Danse Boheme
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subject of: OpenTimestamps Proof of Existence
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The Ice Skaters Waltz, Op. 183
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subject of: OpenTimestamps Proof of Existence
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Swan Lake, Op. 20, Act II: Scene No. 10, Moderato
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Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante"
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audio: Waltz No. 1 in E-Flat Major, Op. 18, "Grande Valse Brillante"
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Classical Masterpieces of the Millennium
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100 Must-Have Italian Classics
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:20:19Z
  audio: Piano Sonata No. 14 in C-Sharp Minor, Op. 27, No. 2, "Moonlight": III. Presto agitato
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track: Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": IV. Finale: Allegro molto
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  by artist: Alfred Scholz
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  genre: classical
  genre: classical-piano
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  subject of: OpenTimestamps Proof of Existence
  audio: Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": IV. Finale: Allegro molto
track: Fidelio, Op. 72: Act I: March
track: Egmont, Op. 84: Overture
track: Bagatelle in A Minor, WoO 59, "Fur Elise"
track: Overture to Collin's Coriolan, Op. 62, "Coriolan Overture"
track: Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": II. Adagio cantabile
track: Fidelio, Op. 72: Overture
track: Fidelio, Op. 72: Act II: Introduction and Aria: Gott! welch' Dunkel hier!

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OTSVerificationAPI
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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

OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:53:27Z

Symphony No. 3 in E-Flat Major, Op. 55, "Eroica": IV. Finale: Allegro molto
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Egmont, Op. 84: Overture
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by artist: London Philharmonic Orchestra
by artist: Alfred Scholz
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popularity: 1
genre: classical
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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: Egmont, Op. 84: Overture
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Bagatelle in A Minor, WoO 59, "Fur Elise"
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by artist: Evelyne Dubourg
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genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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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: 2026-06-13T12:47:07Z
audio: Bagatelle in A Minor, WoO 59, "Fur Elise"
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Overture to Collin's Coriolan, Op. 62, "Coriolan Overture"
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duration ms: 521240
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by artist: Ludwig van Beethoven
by artist: Dresdner Philharmonie
by artist: Herbert Kegel
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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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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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:22:41Z
audio: Overture to Collin's Coriolan, Op. 62, "Coriolan Overture"
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Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": II. Adagio cantabile
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by artist: Istvan Szekely
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popularity: 1
genre: classical
genre: classical-piano
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additional property: OTSVerificationAPI
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:20:19Z
audio: Piano Sonata No. 8 in C Minor, Op. 13, "Pathetique": II. Adagio cantabile
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Táncolj!
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track: Kerek Az Élet
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T05:09:12Z
  audio: Kerek Az Élet
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subject of: OpenTimestamps Proof of Existence
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subject of: OpenTimestamps Proof of Existence
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Turandot, Act III: Calaf's Aria - "Nessun Dorma" (Instrumental Version)
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La Traviata, Act II: Germont's Aria - "Di Provenza" (Instrumental Version)
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Madama Butterfly, Act II: Butterfly's Aria - "Un bel di vedremo" (Instrumental Version)
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La Bohème, Act I: Rodolfo's Aria - "Che gelida manina" (Instrumental Version)
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