1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 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. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb267ece5e52cbe4a66af9513b1a3d444367720b7e560ee00b9d15886587c33d4. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3617ccfc-82e7-4c3f-b2b4-f64b271fc330.json and https://artists.proofprofile.net/proofs/artist/3617ccfc-82e7-4c3f-b2b4-f64b271fc330.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Overture (Suite) No. 3 in D Major, Bwv 1068: Ii. Air
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0382242ac8182259c2398d357dab3278520f46cf8576c8bc4bda5aefa7c5f8dd. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199911316.
Herz und Mund und Tat und Leben, Bwv 147
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Sonata No. 3 for Violin and Harpsichord in E Major, Bwv 1016: Iii. Adagio ma non tanto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72688272a8937b490ed8769eee920905ff43b69162cbe457fc0f10fa3bf08178. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/HKI199910511.
Two Harpsichords Concerto in C Minor, Bwv 1060: Ii. Largo ovvero Adagio
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Brandenburg Concerto No. 2 in F Major, Bwv 1047: Ii. Andante
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The Well-tempered Clavier, Book 1, Bwv 846-869: Prelude and Fugue No. 1 in C Major, Bwv 846
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Cello Suite No. 1 in G Major, Bwv 1007 (arr. J. McFadden for guitar): Iv. Sarabande
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Cello Suite No. 1 in G Major, Bwv 1007: I. Prelude
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Two Harpsichords Concerto in C Minor, Bwv 1062: Ii. Andante e piano
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Sonata No. 1 for Violin and Harpsichord in B Minor, Bwv 1014: Iii. Andante
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Keyboard Concerto in D Major, Bwv 1054: Ii. Adagio e piano sempre
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Toccata, Adagio and Fugue in C Major, Bwv 564: Ii. Adagio
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35edb3f1b4ae94b5582455b7b14e5f6b5c9dff0dede0065882612849f0bb0ddb. 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/HKI190423201.
Keyboard Concerto in D Minor, Bwv 1052: Ii. Adagio
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Wiegenlied, Op. 98, No. 2, D. 498 (arr. for orchestra)
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6 Moments Musicaux, Op. 94, D. 780: No. 2 in A-flat Major: Andantino
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Symphony No. 6 in C Major, D. 589: Ii. Andante
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Piano Quintet In A Major, Op. 114, D. 667, "die Forelle" (The Trout): Ii. Andante
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Adagio and Allegro, Op. 70 (version for cello and piano): Adagio
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Mozart: The Magic Flute (Highlights) – Queen of the Night Arias
The Magic Flute, K. 620, Act II: Pa-Pa-Pa-Pa-Pa-Pa-Papagena!
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Oboe Concerto In A Minor, RV 461: I. Allegro Non Molto
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Oboe Concerto In A Minor, RV 461: II. Larghetto
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Violin Concerto In A Minor, Op. 3, No. 6, Rv 356: III. Presto
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Sinfonia For Strings In D Major, RV 122: I. Allegro
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Oboe Concerto In C Major, RV 447: I. Allegro Non Molto
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Concerto For 2 Violins In A Minor, Op. 3, No. 8, RV Rv 522: I. Allegro
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Concerto For 2 Violins In A Minor, Op. 3, No. 8, RV 522: II. Larghetto E Spiritoso
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Concerto For Strings In G Major, RV 151, "Alla Rustica": I. Presto
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Concerto For Strings In G Major, RV 151, "Alla Rustica": III. Allegro
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Concerto For 2 Mandolins In G Major, RV 532: I. Allegro
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Concerto For 2 Mandolins In G Major, RV 532: II. Andante
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Concerto For 2 Mandolins In G Major, RV 532: III. Allegro
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Grand Overture in E-Flat Major, Op. 18, No. 1, W. C26: III. Allegro
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Vivaldi: The Four Seasons/Wind Concertos
The 4 Seasons: Violin Concerto In E Major, Op. 8, No. 1, RV 269, "La Primavera" (Spring): I. Allegro
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The 4 Seasons: Violin Concerto In E Major, Op. 8, No. 1, RV 269, "La Primavera" (Spring): II. Largo E Pianissimo Sempre
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The 4 Seasons: Violin Concerto In E Major, Op. 8, No. 1, RV 269, "La Primavera" (Spring): III. Danza Pastorale: Allegro
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The 4 Seasons: Violin Concerto In G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): I. Allegro Non Molto
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The 4 Seasons: Violin Concerto In G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): II. Adagio - Presto
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The 4 Seasons: Violin Concerto In G Minor, Op. 8, No. 2, RV 315, "L'estate" (Summer): III. Presto
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The 4 Seasons: Violin Concerto In F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): I. Allegro
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The 4 Seasons: Violin Concerto In F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): II. Adagio Molto
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The 4 Seasons: Violin Concerto In F Major, Op. 8, No. 3, RV 293, "L'autunno" (Autumn): III. Allegro
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The 4 Seasons: Violin Concerto In F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): I. Allegro Non Molto
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The 4 Seasons: Violin Concerto In F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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The 4 Seasons: Violin Concerto In F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): III. Allegro
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Flute Concerto In D Major, Op. 10, No. 3, RV 428, "Il Gardellino": II. Cantabile
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Oboe Concerto In C Major, RV 450: II. Larghetto
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Oboe Concerto In C Major, RV 450: I. Allegro Molto
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Lohengrin, Act III: Wedding March - Arr. For Organ
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The 4 Seasons: Violin Concerto In F minor, Op. 8, No. 4, RV 297, "L'Inverno" (Winter): The 4 Seasons: Violin Concerto In F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
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Overture (Suite) No. 3 In D major, BWV 1068: Air On A G String, BWV 1068
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Sonata A 5: Sonata A 5 In D Major: I. Andante
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Te Deum, H. 146 (Arr. For Organ): Te Deum, H. 146: Prelude (Arr. For Organ)
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String Quintet In E major, Op. 11, No. 5, G. 275 : String Quintet In E Major, G. 275: III. Minuetto
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Organ Symphony No. 5 in F minor, Op. 42, No. 1: Organ Symphony No. 5: Toccata
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Suite Bergamasque : Suite bergamasque: III. Clair De Lune
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3 Gymnopedies (Arr. For Flute And Harp): Gymnopedie No. 1 (Arr. For Flute And Harp)
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2 Arabesques (Arr. For Flute And Harp): Arabesque No. 1 (Arr. For Flute And Harp)
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Carmen (Arr. For Flute And Harp): Carmen: Entr'acte To Act III (Arr. For Flute And Harp)
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Herz Und Mund Und Tat Und Leben, BWV 147: Chorale: Jesus Bleibet Meine Freude (Jesu, Joy Of Man's Desiring)
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Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist Du Bei Mir, BWV 508 (Attrib. G.H. Stolzel)
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Serse (Xerxes), HWV 40, Act I: Ombra Mai Fu, "Largo"
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Rinaldo, HWV 7, Act II Scene 4: Lascia Ch'io Pianga (Let me Lament)
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Ellen's Gesang III (Ave Maria!), Op. 56, No. 6, D. 839, "Hymne An Die Jungfrau"
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101 Classics - The Best Loved Classical Melodies
An der schonen, blauen Donau (The Beautiful Blue Danube), Op. 314
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Piano Concerto No. 1 in B-Flat Minor, Op. 23: I. Allegro non troppo e molto maestoso (Opening)
Polish National Radio Symphony Orchestra
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Emperor Waltz, Op. 437: Kaiser Walzer (Emperor Waltz), Op. 437
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The Danube Waves: Valurile Dunarii (The Danube Waves)
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Serenade for Strings in C Major, Op. 48: II. Walzer
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Les Patineurs, Op. 183, "The Skater's Waltz"
Slovak State Philharmonic Orchestra, Kosice
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The Nutcracker Suite, Op. 71a: VIII. Waltz of the Flowers
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Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakme, Act I: Dome epais, "Flower Duet"
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Violin Sonata No. 3 in C Major, BWV 1005: III. Largo (arr. for guitar)
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Herz und Mund und Tat und Leben, BWV 147: Jesu bleibet meine Freude (Jesu Joy of Man's Desiring) (arr. M. Hess)
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Christmas Oratorio, BWV 248, Part II: Sinfonia
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Toccata, Adagio and Fugue in C Major, BWV 564: Adagio
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Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, BWV Anh. 114
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Anna Magdalena Notenbuch (Clavier-Buchlein III): Bist du bei mir, BWV 508 (attrib. G.H. Stolzel)
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Concerto for Oboe and Violin in C Minor, BWV 1060: II. Adagio
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Keyboard Concerto in D Minor, BWV 974 (after A. Marcello's Oboe Concerto) (arr. E. Voorhorst for guitar): Concerto in D Minor, BWV 974: II. Adagio (after Oboe Concerto by A. Marcello) (arr. f
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Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano (arr. for flute and harp)
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Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
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Symphony No. 40 in G Minor, K. 550: I. Molto allegro
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Symphony No. 25 in G Minor, K. 183: I. Allegro con brio
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Piano Concerto No. 23 in A Major, K. 488: II. Adagio
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Symphony No. 38 in D Major, K. 504, "Prague": III. Finale: Presto
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Le nozze di Figaro, K. 492, Act I: Overture
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Manon Lescaut, Act I: Donna non vidi mai simile a questa!
Belgian Radio and Television Philharmonic Orchestra
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Le nozze di Figaro, K. 492, Act I: Aria: Non piu andrai, farfallone amoroso
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Carmen: Carmen, Act II: Toreador Song: Votre toast, je peux vous le rendre
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Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache kocht in meinem Herzen
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Madama Butterfly, Act II: Humming Chorus
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La Wally, Act I: Ebben? Ne andro lontana
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Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Overture (Suite) No. 3 in D Major, BWV 1068: II. Air, "Air on a G String"
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Keyboard Concerto in F Minor, BWV 1056: Concerto in F Minor, BWV 1056: II. Largo
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Overture (Suite) No. 2 in B Minor, BWV 1067: VII. Badinerie
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Violin Concerto E Major, BWV 1042: II. Adagio
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Concerto in D Minor (after the Oboe Concerto by A. Marcello), BWV 974: Adagio (arr. E. Voorhorst)
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Concerto in the Italian Style in F Major, BWV 971, "Italian Concerto": Italian Concerto in F Major, BWV 971: II. Andante
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Cello Suite No. 1 in G Major, BWV 1007: Prelude
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Overture (Suite) No. 3 in D Major, BWV 1068: Suite No. 3 in D Major, BWV 1068: Air, "Air on a G String"
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Concerto for 2 violins in D Minor, BWV 1043: Largo ma non tanto
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Flute Sonata in E-Flat Major, BWV 1031: II. Siciliano
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Violin Sonata No. 3 in C Major, BWV 1005: Largo (arr. N. Goluses)
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Clavierbuchlein for Anna Magdalena Bach, Book 2, BWV Anh. 113-132: Minuet in G Major, Anh 114
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Partita in A Minor, BWV 1013 (arr. E. Voorhorst for guitar): Bourree anglaise
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Great Composers in Words & Music: Franz Schubert
Wanderer Fantasy in C Major, Op. 15, D. 760: II. Adagio (Excerpt)
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Serenade No. 10 in B-Flat Major, K. 361, "Gran Partita": IV. Adagio
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Serenade No. 6 in D Major, K. 239, "Serenata Notturna": I. Marcia: Maestoso
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Mozart: Zauberflöte (Die) (The Magic Flute)
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The Magic Flute, K. 620, Act I: Zu Hilfe! Zu Hilfe!
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The Magic Flute, K. 620, Act I: Arie. Der Vogelfänger bin ich ja
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Die Zauberflöte, K. 620, Act II No. 12: Quintett - Wie? Wie? Wie?
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Die Zauberflöte, K. 620, Act I: Dialog - He da!
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Die Zauberflöte, K. 620, Act II: Dialog - Jungling!
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The Magic Flute, K. 620: Dies Bildnis ist bezaubernd schön
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The Magic Flute, K. 620, Act II: Arie. Alles fühlt der Liebe Freuden
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Die Zauberflöte, K. 620, Act I: Dialog - Ruste dich mit Mut und Standhaftigkeit
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Die Zauberflöte, K. 620, Act II: Dialog - Zuruck!
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The Magic Flute, K. 620, Act I: Rezitativ und Arie. O zittre nicht, mein lieber Sohn!
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The Magic Flute, K. 620, Act II: Aria. Der Hölle Rache kocht in meinem Herzen
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Die Zauberflöte, K. 620, Act II: Dialog - Morden soll ich?
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The Magic Flute, K. 620, Act I: Quintett. Hm! Hm! Hm! Hm!
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The Magic Flute, K. 620, Act II: In diesen heil'gen Hallen
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Die Zauberflöte, K. 620, Act I No. 6: Terzett - Du feines Taubchen, nur herein!
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Die Zauberflöte, K. 620, Act I: Dialog - Mutter, Mutter!
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The Magic Flute, K. 620, Act I: Duett. Bei Männern, welche Liebe fühlen
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Die Zauberflöte, K. 620, Act I No. 8: Finale - Zum Ziele fuhrt dich diese Bahn
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The Magic Flute, K. 620, Act II: Ach! Ich fühl's, es ist verschwunden
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Die Zauberflöte, K. 620, Act I: Rezitativ - Die Weisheitslehre dieser Knaben
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The Magic Flute, K. 620, Act I: Wie stark ist nicht dein Zauberton!
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Die Zauberflöte, K. 620, Act II No. 18: Chor der Priester - O, Isis und Osiris, welche Wonne!
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The Magic Flute, K. 620, Act I: Schnelle Füße, rascher Mut
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Die Zauberflöte, K. 620, Act I: Allegro maestoso - Es lebe Sarastro, Sarastro lebe!
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Die Zauberflöte, K. 620, Act I: Allegro - Na, stolzer Jungling, nur hierher!
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Die Zauberflöte, K. 620, Act I: Presto - Wenn Tugend und Gerechtigkeit
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The Magic Flute, K. 620, Act II: Arie. Ein Mädchen oder Weibchen Wünscht Papageno sich!
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The Magic Flute, K. 620, Act II: Marsch der Priester
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The Magic Flute, K. 620, Act II: Arie und Chor. O Isis und Osiris
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Die Zauberflöte, K. 620, Act II: Adagio - Der, welcher wandert diese Strasse voll Beschwerden
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Die Zauberflöte, K. 620, Act II: Marsch. Adagio - Wir wandelten durch Feuersgluten
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Die Zauberflöte, K. 620, Act II: Allegro - Papagena! Papagena! Papagena!
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Orfeo Ed Euridice: Dance Of The Blessed Spirits (Paris version)
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Lakme: Lakme: Viens, Mallika... Dome Epais, "Flower Duet"
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Rossini: The Barber of Seville (Highlights)
DITTERSDORF: Sinfonias on Ovid's Metamorphoses, Nos. 4 - 6
Schubert: Symphony No. 4 / Symphony in C Major
Donizetti: Sinfonias in D Minor, A Major and D Major
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Die Lustigen Weiber Von Windsor (The Merry Wives Of Windsor): O Susser Mond
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Die Entfuhrung Aus Dem Serail (Abduction From The Seraglio), K. 384: Final Chorus
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Der Freischutz, J. 277: Huntsmen's Chorus
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Der Fliegende Hollander (The Flying Dutchman): Summ Und Brumm
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Die Meistersinger Von Nurnberg (The Mastersingers Of Nuremberg): Wach Auf!
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Tannhauser: Tannhauser, Act III: Begluckt Darf Nun Dich, "Pilgrims' Chorus"
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The 4 Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "La primavera" (Spring): The Four Seasons: Violin Concerto in E Major, Op. 8, No. 1, RV 269, "Spring": I. Allegro
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Concerto for Strings in G Major, RV 151, "Alla Rustica"
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Flute Concerto in F Major, Op. 10, No. 1, RV 433, "La tempesta di mare"
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Mandolin Concerto in C Major, RV 425: I. Allegro
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The 4 Seasons - Violin Concerto in G Minor, RV 315, "L'estate" (Summer): III. Presto
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Chamber (Lute) Concerto in D Major, RV 93: I. Allegro
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The 4 Seasons: Violin Concerto in F Minor, Op. 8, No. 4, RV 297, "L'inverno" (Winter): II. Largo
Concerto in C Major, RV 444: Sopranino Recorder Concerto in C Major, RV 444
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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5 Military Marches, Op. 39, "Pomp and Circumstance": Military March No. 1 in D Major, Op. 39, "Pomp and Circumstance"
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3 Marches militaires, Op. 51, D. 733: No. 1 in D Major (arr. P. Breiner): Military March No. 1 (arr. for orchestra)
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London Suite (London Everyday): III. Knightsbridge: March
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Die Zauberflote (The Magic Flute), K. 620, Act II: Der Holle Rache... (Queen of the Night)
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Lakmé: Blumenduett (Lara Croft Tomb Raider): Flower Duet (Lakmé)
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Tristan und Isolde: Vorspiel (Excalibur): Liebestod (Tristan und Isolde)
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Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakmé, 1. Akt: Sous le dôme épais, "Blumenduett"
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Rusalka, Op. 114, B. 203, 1. Akt: Lied an den Mond
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Tosca: Tosca, 3. Akt: E lucevan le stelle
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Der Freischütz, J. 277, 3. Akt: Was gleicht wohl auf Erden, "Jägerchor"
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Die Zauberflöte, K. 620: Act II: Pa-Pa-Pa-Pa-Pa-Pa-Papagena! (Papageno, Papagena)
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Herz und Mund und Tat und Leben, BWV 147: Chorale. Jesus bleibet meine Freude
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Concerto for 2 Oboes in C Major, RV 534: II. Largo
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