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album: Haydn: Symphonies No. 100 "Military" and No. 101 "The Clock"
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album: Handel: Water Music and Music for Royal Fireworks
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album: Delibes: Coppélia Highlights
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album: Vivaldi: The Four Seasons (Le Quattro Stagioni) and Oboe Concerto
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  track: Neva Polka, Op. 288
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album: Concert Series: Bruch - Violin Concerto No.1 in G minor and Mendelssohn - Violin Concerto in E minor
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album: I Do! - Classical Wedding Music
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  track: A Midsummer Night's Dream, Op. 61: IX. Wedding March
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album: Classical Masterpieces as Heard in Cartoons
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Neva Polka, Op. 288
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The Huntsman's Polka - French Polka, Op. 229
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Persian March, Op. 289
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Coppélia, Act 3: Valse des heures (Waltz of the Hours)
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Concerto No. 8 in A Minor for Oboe and Orchestra, RV 461: III. Allegro
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Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Finale: Molto allegro
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The Blue Danube (Waltz), Op. 314 (Tom & Jerry - A Corny Concerto 1943)
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Le carnaval des animaux: XIII. Le cygne
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A Midsummer Night's Dream, Op. 61: IX. Wedding March
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Music for the Royal Fireworks, HWV 351: III. La réjouissance
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Rinaldo, HWV 7: "Lascia ch'io pianga"
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Motet in D Major for Choir and Orchestra, K. 618: Ave verum corpus
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An der schönen blauen Donau (On the Beautiful Blue Danube), Op. 314
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La traviata, Act 1: "Libiamo, ne' lieti calici" (Live)
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Così fan tutte, K. 588, Act 1: "Soave sia il vento"
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Classical: Love
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track: Carnival of the Animals: The Swan (Le Cygne)
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track: Suite from "The Gadfly", Op. 97a: VIII. Romance
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  audio: Suite from "The Gadfly", Op. 97a: VIII. Romance
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track: Concerto No. 2 in C Minor for Piano and Orchestra, Op. 18: II. Adagio sostenuto
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track: Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
track: La Traviata: Prelude to Act I
track: Trois Gnossiennes: Gnossienne No. 1
track: Salut d'Amour

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OpenTimestamps Proof of Existence
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Concerto No. 2 in C Minor for Piano and Orchestra, Op. 18: II. Adagio sostenuto
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Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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Trois Gnossiennes: Gnossienne No. 1
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subject of: OpenTimestamps Proof of Existence
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Salut d'Amour
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T03:53:27Z
audio: Salut d'Amour
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Classical Chill Out
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The 99 Most Essential Pieces of the Romantic Era
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100 Waltzes
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track: Coppélia, Act 3: Valse des heures (Waltz of the Hours)

Joseph Haydn: The Essential Works - 200 Year Anniversary Collection
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    date published: 2026-07-02T03:55:08Z
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track: Symphony No. 101 in D Major, Hob. I:101, "The Clock": III. Minueto
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    date published: 2026-07-08T03:53:27Z
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The Classical One-Hit Wonders
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Christmas Concerto in G Minor, Op. 6 No. 8: IV. Vivace - Allegro - Largo
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Classical Music from Ingmar Bergman Films
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track: Lakmé: Sous le dome épais (Flower duet)
track: Two Elegiac Melodies, Op. 34: II. Last Spring
track: Symphony No. 1 in B-Flat Major, Op. 38, "Spring": I. Andante - Allegro

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subject of: OpenTimestamps Proof of Existence
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audio: Lakmé: Sous le dome épais (Flower duet)
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Two Elegiac Melodies, Op. 34: II. Last Spring
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subject of: OpenTimestamps Proof of Existence
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Symphony No. 1 in B-Flat Major, Op. 38, "Spring": I. Andante - Allegro
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subject of: OpenTimestamps Proof of Existence
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Classical Moods: Joy
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track: The Planets, Op. 32: Jupiter, the Bringer of Jollity
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    date published: 2026-07-08T03:20:19Z
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track: Wilhelm Tell (William Tell): Overture (excerpt)
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track: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
track: Tritsch-Tratsch-Polka (Gossip Polka), Op. 214
track: Die Zauberflöte (The Magic Flute), K. 620: Overture
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track: Canon in D Major
track: Serenade No. 13 in G Major, K. 525, "Eine Kleine Nachtmusik": Allegro
track: Deux Arabesques, L 66: No. 1
track: Baal Shem (version for Violin and orchestra): III. Simchas Torah (Rejoicing)
track: Music for the Royal Fireworks, HWV 351: III. La Réjouissance
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OpenTimestamps Proof of Existence
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date published: 2026-07-08T03:20:19Z

Impromptu No. 3 in G-Flat Major, D. 899, Op. 90
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subject of: OpenTimestamps Proof of Existence
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audio: Tritsch-Tratsch-Polka (Gossip Polka), Op. 214
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Die Zauberflöte (The Magic Flute), K. 620: Overture
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Symphony No. 6 in F Major, Op. 68, "Pastoral": I. Awakening of Happy Feelings upon Arrival in the Country: Allegro ma non troppo
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Canon in D Major
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Serenade No. 13 in G Major, K. 525, "Eine Kleine Nachtmusik": Allegro
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Deux Arabesques, L 66: No. 1
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Baal Shem (version for Violin and orchestra): III. Simchas Torah (Rejoicing)
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Music for the Royal Fireworks, HWV 351: III. La Réjouissance
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audio: Music for the Royal Fireworks, HWV 351: III. La Réjouissance
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The Drottningholm Music: I. Allegro assai
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The 99 Most Essential Masterpieces of the Classical Era
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OpenTimestamps Proof of Existence
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date published: 2026-07-07T18:39:05Z

Sonata No. 14 in C-Sharp Minor for Piano, Op. 27:2, "Moonlight": III. Presto agitato
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Vivaldi
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track: Concerto for 2 Mandolins in G major, RV. 532 - II. Andante
track: L'estro armonico, Op. 3 - Concerto No. 8 in A Minor for Two Violins and Strings, RV 522: I. Allegro
track: Concerto in D Major for Guitar and Strings, RV 93: I. Allegro giusto
track: Concerto in A Minor for Bassoon and Orchestra, RV 497: III. Allegro
track: Concerto in C Major for Guitar and Orchestra, RV 425: I. Allegro
track: Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 444: II. Largo
track: Concerto No. 8 in A Minor for Oboe and Orchestra, RV 461: III. Allegro

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Concerto for 2 Mandolins in G major, RV. 532 - II. Andante
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L'estro armonico, Op. 3 - Concerto No. 8 in A Minor for Two Violins and Strings, RV 522: I. Allegro
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Concerto in D Major for Guitar and Strings, RV 93: I. Allegro giusto
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Concerto in A Minor for Bassoon and Orchestra, RV 497: III. Allegro
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Concerto in C Major for Guitar and Orchestra, RV 425: I. Allegro
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Concerto in C Major for Sopranino Recorder, Strings and B.C, RV 444: II. Largo
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Romeo and Juliet, Fantasy Overture, Op. 64a
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by artist: Jansug Kakhidze
by artist: Tbilisi Symphony Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
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Suite bergamasque, L. 75: III. Clair de lune
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by artist: Finghin Collins
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:39:05Z
audio: Suite bergamasque, L. 75: III. Clair de lune
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L'Arlesienne Suite No. 1, WD 40: I. Prelude
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: L'Arlesienne Suite No. 1, WD 40: I. Prelude
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My Fatherland, JB 1:112 "Ma Vlast": II. Vltava (The Moldau River)
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duration: PT11M26S
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  date published: 2026-06-13T17:25:41Z
audio: My Fatherland, JB 1:112 "Ma Vlast": II. Vltava (The Moldau River)
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Les Préludes, S. 97
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by artist: Berlin Radio Symphony Orchestra
by artist: Rundfunk-Sinfonieorchester Berlin
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Les Préludes, S. 97
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Pavane pour une infante défunte, M. 19
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duration ms: 398840
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  date published: 2026-07-06T06:56:49Z
audio: Pavane pour une infante défunte, M. 19
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Ave Maria, CG 89a
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duration ms: 154400
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Kinderszenen, Op. 15: VII. Träumerei
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Radetzky March, Op. 228
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14 Romances, Op. 34: XIV. Vocalise
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Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
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Peer Gynt Suite No. 1, Op. 46: I. Morning Mood
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Peer Gynt Suite No. 1, Op. 46: IV. In the Hall of the Mountain King
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Peer Gynt, Op. 23, Act III: No. 13, Solveig's Song
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subject of: OpenTimestamps Proof of Existence
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Slavonic Dances, Op. 72: No. 2, Dumka (Allegretto grazioso)
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Two Elegiac Melodies, Op. 34: II. The Last Spring
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso - Allegro con spirito
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Pavane, Op. 50
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The Nutcracker, Op. 71, Act I: II. March
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The Nutcracker, Op. 71, Act II: XIV. Waltz of the Flowers
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The Nutcracker, Op. 71, Act II: XIId. Trepak (Russian Dance)
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subject of: OpenTimestamps Proof of Existence
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The Nutcracker, Op. 71, Act II: XIVc. Var. 2, Dance of the Sugar-Plum Fairy
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5 Morceaux de fantasie, Op. 3: No. 2, Prélude in C-Sharp Minor "The Bells of Moscow"
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21 Hungarian Dances, WoO 1: No. 5, Allegro in F-Sharp Minor
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Thaïs, Act II: Méditation
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Die Walkürie, WWV 86b, Act III: Ride of the Valkyries
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Messa da Requiem: II. Sequence, No. 1, Dies irae - Tuba mirum
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3 Gymnopédies: I. Lent et douloureux
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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: 3 Gymnopédies: I. Lent et douloureux
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Symphony No. 9 in E Minor, Op. 95 "From the New World": II. Largo
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by artist: London Philharmonic Orchestra
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
audio: Symphony No. 9 in E Minor, Op. 95 "From the New World": II. Largo
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Nabucco, Act III: Chorus of the Hebrew Slaves "Va pensiero, sull'ali dorate"
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by artist: London Philharmonic Orchestra
by artist: London Philharmonic Choir
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T12:47:07Z
audio: Nabucco, Act III: Chorus of the Hebrew Slaves "Va pensiero, sull'ali dorate"
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Best - Mozart
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T15:41:10Z
  audio: Serenade No. 13 in G Major, K. 525, "Eine Kleine Nachtmusik": Allegro
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track: Symphony No. 40 in G Minor, K. 550: Allegro molto
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-06-13T13:32:09Z
  audio: Symphony No. 40 in G Minor, K. 550: Allegro molto
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track: Concerto No. 21 in C Major for Piano and Orchestra, K. 467: Andante
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  subject of: OpenTimestamps Proof of Existence
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track: Sonata No. 11 in A Major for Piano, K. 331: Rondo "Alla turca"
track: Die Zauberflöte (The Magic Flute), K. 620: Overture
track: Requiem, K. 626: Lacrimosa dies illa
track: Die Zauberflöte (The Magic Flute), K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Queen of the Night's Aria)
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track: Requiem Mass in D Minor, K. 626: II. Dies irae
track: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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track: Sonata No. 12 in F Major for Piano, K. 332: Adagio
track: Don Giovanni (Don Juan), K. 527: Overture
track: Concerto No. 26 in D Major for Piano and Orchestra, K. 537, "Coronation": II. Romanza: (Larghetto con moto)
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track: Concerto No. 3 in G Major for Violin and Orchestra, K. 216: II. Adagio
track: Motet in D Major for Choir and Orchestra, K. 618: Ave verum corpus
track: Symphony No. 41 in C Major, K. 551 "Jupiter": IV. Finale: Molto allegro

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OpenTimestamps Proof of Existence
type: DigitalDocument
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description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef08466de7fea77d039d062134707b37511d093955beba8de75a7042736060f3. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/SEWDL9750013.
date published: 2026-06-13T15:41:10Z

Concerto No. 21 in C Major for Piano and Orchestra, K. 467: Andante
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Sonata No. 11 in A Major for Piano, K. 331: Rondo "Alla turca"
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T15:41:10Z
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Die Zauberflöte (The Magic Flute), K. 620: Overture
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by artist: David Parry
by artist: London Philharmonic Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Requiem, K. 626: Lacrimosa dies illa
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Requiem, K. 626: Lacrimosa dies illa
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Die Zauberflöte (The Magic Flute), K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Queen of the Night's Aria)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Die Zauberflöte (The Magic Flute), K. 620, Act 2: "Der Hölle Rache kocht in meinem Herzen" (Queen of the Night's Aria)
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Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:30:09Z
audio: Concerto in A Major for Clarinet and Orchestra, K. 622: II. Adagio
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Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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by artist: Tbilisi Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-13T13:32:09Z
audio: Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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Requiem Mass in D Minor, K. 626: II. Dies irae
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Requiem Mass in D Minor, K. 626: II. Dies irae
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Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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subject of: OpenTimestamps Proof of Existence
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audio: Le nozze di Figaro (The Marriage of Figaro), K. 492: Overture
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Concerto No. 5 in A Major for Violin and Orchestra, K. 219: Allegro aperto
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 5 in A Major for Violin and Orchestra, K. 219: Allegro aperto
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Sonata No. 12 in F Major for Piano, K. 332: Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Sonata No. 12 in F Major for Piano, K. 332: Adagio
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Don Giovanni (Don Juan), K. 527: Overture
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T18:50:38Z
audio: Don Giovanni (Don Juan), K. 527: Overture
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Concerto No. 26 in D Major for Piano and Orchestra, K. 537, "Coronation": II. Romanza: (Larghetto con moto)
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T05:09:12Z
audio: Concerto No. 26 in D Major for Piano and Orchestra, K. 537, "Coronation": II. Romanza: (Larghetto con moto)
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Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": III. Adagio
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": III. Adagio
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Andante in C Major for Flute and Orchestra, K. 315
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Andante in C Major for Flute and Orchestra, K. 315
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Concerto No. 20 in D Minor for Piano and Orchestra, K. 466: II. Romance
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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audio: Concerto No. 20 in D Minor for Piano and Orchestra, K. 466: II. Romance
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Sonata No. 16 in C Major for Piano, K. 545, "Sonata facile": I. Allegro
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by artist: Henrik Måwe
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:38:34Z
audio: Sonata No. 16 in C Major for Piano, K. 545, "Sonata facile": I. Allegro
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Concerto No. 3 in G Major for Violin and Orchestra, K. 216: II. Adagio
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by artist: Emmy Verhey
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-06T07:16:32Z
audio: Concerto No. 3 in G Major for Violin and Orchestra, K. 216: II. Adagio
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Motet in D Major for Choir and Orchestra, K. 618: Ave verum corpus
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by artist: Latvian National Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-07T14:04:01Z
audio: Motet in D Major for Choir and Orchestra, K. 618: Ave verum corpus
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Romantic Classical Music
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: Spartacus: Adagio
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track: Rhapsody on a Theme of Paganini, Op. 43: Variation 18: Andante cantabile
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
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track: Salut d´amour, Op. 12
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OpenTimestamps Proof of Existence
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date published: 2026-07-07T16:07:00Z

Salut d´amour, Op. 12
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The Best Relaxing Music of the Romantic Era
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    value: https://blockstream.info/api/block-height/957145
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL9750001
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd96f49d8b4eccf7ca19db96b176987c640240d176f35358c05d97d6bf2eb0f47. 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/SEWDL9750001.
    date published: 2026-07-08T08:56:20Z
  audio: Peer Gynt Suite No. 1, Op. 46: Morning Mood
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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: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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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)
      type: PropertyValue
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    additional property: Loudness (dB)
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    additional property: Key Name
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track: Suite bergamasque, L 75: Clair de lune
  type: MusicRecording
  duration: PT5M13S
  duration ms: 313906
  explicit: false
  by artist: Finghin Collins
  in album: The Best Relaxing Music of the Romantic Era
    type: MusicAlbum
    date published: 2011-12-13
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  additional property: CopyrightID
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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/SEWDL9750011
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37979c0bf811d5a336a04a17d7e142d18e0d2e17ce37e308745366f5877aa3b7. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/SEWDL9750011.
    date published: 2026-07-08T03:22:41Z
  audio: Suite bergamasque, L 75: Clair de lune
    type: AudioObject
    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: Acousticness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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Música Clássica: Adagio
type: MusicAlbum
date published: 2012-07-10
track: Symphony No. 5, Pt. 3: IV. Adagietto
  type: MusicRecording
  duration: PT11M0S
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  by artist: Gustav Mahler
  by artist: David Parry
  by artist: London Philharmonic Orchestra
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    type: MusicAlbum
    date published: 2012-07-10
  genre: classical
  genre: orchestra
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  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/SEWDL9750050
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:22:41Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7290a1b57429dfa1b557a1c583a3396c5d5f072a1052126f5b531cc56fdcfb9. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), 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/SEWDL9750050.
    date published: 2026-07-08T03:22:41Z
  audio: Symphony No. 5, Pt. 3: IV. Adagietto
    type: AudioObject
    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: Time Signature
      type: PropertyValue
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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: Loudness (dB)
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    additional property: Key Name
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track: Easter Oratorio, BWV 249: II. Adagio in B Minor
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  duration: PT4M18S
  duration ms: 258839
  explicit: false
  by artist: Johann Sebastian Bach
  by artist: Alexei Ogrintchouk
  by artist: Swedish Chamber Orchestra
  in album: Música Clássica: Adagio
    type: MusicAlbum
    date published: 2012-07-10
  genre: classical
  genre: classical-piano
  isrc code: SEAER1069070
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  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/SEAER1069070
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc26a35a1ad0ab37a258b4c403ad8100882726aeeaf6b44b0ad6bb196dd6b8bba. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/SEAER1069070.
    date published: 2026-07-02T03:55:08Z
  audio: Easter Oratorio, BWV 249: II. Adagio in B Minor
    type: AudioObject
    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: Time Signature
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    additional property: Danceability
      type: PropertyValue
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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: Loudness (dB)
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Classical Masterpieces as Heard in Cartoons
type: MusicAlbum
date published: 2011-05-24
track: William Tell Overture (Mickey Mouse and Friends - The Band Concert 1935)
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  duration: PT3M27S
  duration ms: 207624
  explicit: false
  by artist: Gioachino Rossini
  by artist: Wiener Symphoniker
  by artist: Paul Sacher
  in album: Classical Masterpieces as Heard in Cartoons
    type: MusicAlbum
    date published: 2011-05-24
  genre: classical
  genre: opera
  isrc code: GBGQH0911995
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
    type: PropertyValue
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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/GBGQH0911995
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb290dcf3e5fa5c69dcff7a26e39a6a02b32a09aec863c4bbb67829a71313ba39. 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/GBGQH0911995.
    date published: 2026-07-08T03:53:27Z
  audio: William Tell Overture (Mickey Mouse and Friends - The Band Concert 1935)
    type: AudioObject
    additional property: Tempo (BPM)
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    additional property: Musical Key
      type: PropertyValue
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
      type: PropertyValue
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    additional property: Danceability
      type: PropertyValue
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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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: Loudness (dB)
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    additional property: Key Name
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    additional property: Mode Name
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track: Hungarian Dance No. 5 in G Minor (Looney Tunes - Pigs in a Polka 1943)
  type: MusicRecording
  duration: PT2M38S
  duration ms: 158626
  explicit: false
  by artist: Johannes Brahms
  by artist: David Parry
  by artist: London Philharmonic Orchestra
  in album: Classical Masterpieces as Heard in Cartoons
    type: MusicAlbum
    date published: 2011-05-24
  genre: classical
  genre: german-romanticism
  genre: late-romantic-era
  isrc code: SEWDL9750018
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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  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
    value: 2026-07-08T03:53:27Z
  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
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x051082f70bb1d0c82b9609fe65f126b463847e13b9dadaaf6e5c1864652b8948. 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/SEWDL9750018.
    date published: 2026-07-08T03:53:27Z
  audio: Hungarian Dance No. 5 in G Minor (Looney Tunes - Pigs in a Polka 1943)
    type: AudioObject
    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: Time Signature
      type: PropertyValue
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
      type: PropertyValue
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    additional property: Acousticness
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    additional property: Instrumentalness
      type: PropertyValue
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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    additional property: Mode Name
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track: Die Fledermaus (The Bat): Overture (Tom and Jerry - The Hollywood Bowl 1950)
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  duration: PT8M21S
  duration ms: 501506
  explicit: false
  by artist: Johann Strauss II
  by artist: London Philharmonic Orchestra
  by artist: Alfred Scholz
  in album: Classical Masterpieces as Heard in Cartoons
    type: MusicAlbum
    date published: 2011-05-24
  isrc code: SEWDL0503001
  additional property: CopyrightID
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  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Die Fledermaus (The Bat): Overture (Tom and Jerry - The Hollywood Bowl 1950)
track: The Blue Danube (Waltz), Op. 314 (Tom & Jerry - A Corny Concerto 1943)

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 957124

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/957124

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/SEWDL0503001

OTSTimestamp
type: PropertyValue
value: 2026-07-08T03:53:27Z

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 0x2731d2e81f7449dd15fe9adace111ff6710e5840d0b23c05d880abac3caa260b. 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/SEWDL0503001.
date published: 2026-07-08T03:53:27Z

Die Fledermaus (The Bat): Overture (Tom and Jerry - The Hollywood Bowl 1950)
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 116.382
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
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  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 5
additional property: Danceability
  type: PropertyValue
  value: 0.264
additional property: Energy
  type: PropertyValue
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additional property: Speechiness
  type: PropertyValue
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additional property: Acousticness
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additional property: Instrumentalness
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  value: 0.812
additional property: Liveness
  type: PropertyValue
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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Classical Bedtime Music for Kids
type: MusicAlbum
date published: 2011-05-24
track: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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  duration: PT4M14S
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Piano Concerto No. 5 in F Minor, BWV 1056: II. Arioso: Largo
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The Nutcracker, Op. 71, Act II: XIVc. Var. 2, Dance of the Sugar-Plum Fairy
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5 Lieder, Op. 49: IV. Wiegenlied
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The Sleeping Beauty, Op. 66: Pas de six, Var. 3, Miettes qui tombent
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subject of: OpenTimestamps Proof of Existence
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Jeux d'enfants, Op. 22: III. La poupée
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The Nutcracker, Op. 71, Act I: VI. Scene, Dance of the Grandfathers (attacca)
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  date published: 2026-07-08T03:22:41Z
audio: The Nutcracker, Op. 71, Act I: VI. Scene, Dance of the Grandfathers (attacca)
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Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
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audio: Nocturnes, Op. 9: No. 2, Andante in E-Flat Major
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The Sleeping Beauty, Op. 66: Pas de six, Var. 1, Candide
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  date published: 2026-07-08T03:22:41Z
audio: The Sleeping Beauty, Op. 66: Pas de six, Var. 1, Candide
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Wiegenlied, D. 498 (Arr. for Orchestra)
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Piano Sonata No. 11 in A Major, K. 331 "Turkish March": I. Tema con variazione
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subject of: OpenTimestamps Proof of Existence
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Jeux d'enfants, Op. 22: III. La poupée (Andantino quasi andante)
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subject of: OpenTimestamps Proof of Existence
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The Nutcracker, Op. 71, Act I: VIII. Scene, A Pine Forest in Winter
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Berceuse in D-Flat Major, Op. 57
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audio: Berceuse in D-Flat Major, Op. 57
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Kinderszenen, Op. 15: XII. Kind im Einschlummern
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100 Pieces of Classical Music For Your Brain
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track: Partita No. 2 in D Minor for Solo Violin, BWV 1004: V. Chaconne
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L'Estro Armonico, Op. 3 - Concerto No. 9 in D Major for Violin and Strings, RV 230: I. Allegro
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Three Nocturnes for Piano, Op. 62: Liebestraum No. 3 in A-Flat Major, G 541: "O lieb so lang' Du lieben kannst": Poco allegro con affetto
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Xerxes, Act 1: "Ombra mai fu"
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by artist: RTV Slovenia Symphony Orchestra
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genre: early-music
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genre: english-baroque
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
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Prélude à l'après-midi d'un faune (Prelude to a Faun's Afternoon), L 86
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duration: PT9M28S
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by artist: Claude Debussy
by artist: Tbilisi Symphony Orchestra
in album: 100 Pieces of Classical Music For Your Brain
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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: 2026-07-02T03:55:08Z
audio: Prélude à l'après-midi d'un faune (Prelude to a Faun's Afternoon), L 86
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Samson et Dalila, Op. 47, Act 2: "Mon coeur s'ouvre a ta voix"
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by artist: Rita Noel
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Samson et Dalila, Op. 47, Act 2: "Mon coeur s'ouvre a ta voix"
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Waltz No. 1 in D-Flat Major, Op. 64, "Minute Waltz"
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by artist: Henrik Måwe
in album: 100 Pieces of Classical Music For Your Brain
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genre: early-romantic-era
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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: 2026-07-02T03:30:09Z
audio: Waltz No. 1 in D-Flat Major, Op. 64, "Minute Waltz"
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Concerto in D Major for Violin and Orchestra, Op. 77: III. Allegro giocoso
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by artist: Borika Van Den Booren
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genre: classical
genre: german-romanticism
genre: late-romantic-era
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Concerto in D Major for Violin and Orchestra, Op. 77: III. Allegro giocoso
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Festival Overture in E-Flat Major, "The Year 1812", Op. 49
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by artist: Tbilisi Symphony Orchestra
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T11:34:59Z
audio: Festival Overture in E-Flat Major, "The Year 1812", Op. 49
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