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 0x2bf10fa3fd5123ae539c19e840908e7dd116f08e13ec3ba9c2266e8ad60f6504. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d3eed87-78f3-430c-a06a-bd6d26d56394.json and https://artists.proofprofile.net/proofs/artist/9d3eed87-78f3-430c-a06a-bd6d26d56394.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Bach, J.S.: Brandenburg Concertos Nos.2, 3 & 4; Orchestral Suite No.3, BWV 1068
Brandenburg Concerto No. 4 in G, BWV 1049: 2. Andante
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Orchestral Suite No. 3 in D Major, BWV 1068: III. Gavotte I-II
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Orchestral Suite No. 3 in D Major, BWV 1068: V. Gigue
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Bach, J.S.: Air & Badinerie - Orchestral Suites
Suite No. 2 in B minor, BWV 1067: I. Ouverture
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Suite No. 2 in B minor, BWV 1067: II. Rondeau
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Suite No. 2 in B minor, BWV 1067: VI. Bourrée I-II
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Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: I. (Allegro)
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Concerto for Harpsichord, Strings, and Continuo No. 5 in F Minor, BWV 1056: III. Presto
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Concerto for 4 Harpsichords, Strings, and Continuo in A Minor, BWV 1065: III. Allegro
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Suite No. 4 in D, BWV 1069: II. Bourrée I-II
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Herz und Mund und Tat und Leben, BWV 147: II. Recit. Gebenedeiter Mund! (Tenor)
Solistengemeinschaft Der Bachwoche Ansbach
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Herz und Mund und Tat und Leben, BWV 147: III. Aria. Schäme dich, o Seele nicht (Alto)
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Herz und Mund und Tat und Leben, BWV 147: X. Chorale. Jesus bleibet meine Freude
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Magnificat in D Major, BWV 243: I. Chorus: "Magnificat"
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Magnificat in D Major, BWV 243: VII. Chorus: "Fecit potentiam"
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Magnificat in D Major, BWV 243: XII. Chorus: "Gloria Patri"
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J.S. Bach: Choral Works (Rehearsals) [Live]
Bach: Harpsichord Concertos BWV 1052- 1058 & 1060-1065
Concerto For Harpsichord, Strings, And Continuo No. 1 In D Minor, BWV 1052: II. Adagio
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Concerto for Harpsichord, Strings and Continuo No. 2 in E Major, BWV 1053: II. Siciliano
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Concerto for 2 Harpsichords, Strings, and Continuo in C Minor, BWV 1060: II. Adagio
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Concerto for 4 Harpsichords, Strings, and Continuo in A Minor, BWV 1065: II. Largo
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Bach: Concerto BWV 1055R, Double Concertos BWV 1043, 1060, 1060R, Triple Concerto BWV 1064R
Double Concerto for 2 Violins, Strings & Continuo in D Minor, BWV 1043: I. Vivace
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Double Concerto for 2 Violins, Strings & Continuo in D Minor, BWV 1043: III. Allegro
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Concerto for 3 Violins, Strings and Continuo in D, BWV 1064 (reconstruction): I. Allegro
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Mass in B Minor, BWV 232 / Gloria: Et in terra pax - Live
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Handel: Organ Concertos, Op. 4 Nos. 1-4 – Concerti grossi, Op. 3 Nos. 1-6
Johannes-Passion, BWV 245: No. 1, O Mensch, bewein dein Sünde groß - No. 2, Jesus ging mit seinen Jüngern
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Johannes-Passion, BWV 245: No. 9, Ich folge dir gleichfalls - No. 10, Derselbige Jünger war dem Hohenpriester bekannt
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Johannes-Passion, BWV 245: No. 13, Ach, mein Sinn
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Johannes-Passion, BWV 245: No. 19, Betrachte, meine Seel'
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Der Messias, HWV 56, Pt. 1 (Excerpts): No. 2, Alle Tale macht hoch erhaben
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Der Messias, HWV 56, Pt. 1 (Excerpts): No. 9, O du, die Wonne verkuender in Zion
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Der Messias, HWV 56, Pt. 1 (Excerpts): No. 12, Denn es ist uns ein Kind geboren
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Der Messias, HWV 56, Pt. 1 (Excerpts): No. 21, Er ward verschmaehet und verachtet
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J.S. Bach: Orchestral Suites, BWVV 1066 - 1069
Orchestral Suite No. 4 in D Major, BWV 1069: I. Ouverture
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Mozart: Requiem in D Minor, K. 626 (Completed J. Eybler & F. Süssmayr)
St. Matthew Passion, Bwv 244: Pt. I: Chorus. Kommt, ihr Tochter, helft mir klagen (Chorus)
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Giulio Cesare in Egitto HWV 17 / Atto primo: No. 2 Aria "Presti omai l'Egizia terra"
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Giulio Cesare in Egitto HWV 17 / Atto primo: Recitativo "Questa è Cornelia"
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Giulio Cesare in Egitto HWV 17 / Atto primo: No. 16 Duetto "Son nata a lagrimar"
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Giulio Cesare in Egitto HWV 17 / Atto primo: No. 7 Aria "L'empio, sleale, indegno"
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Giulio Cesare in Egitto HWV 17 / Atto primo: No. 8 Accompagnato "Alma del gran Pompeo"
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Bach: 6 Brandenburg Concertos; 4 Ouvertures; Tripel Concerto BWV 1044
Brandenburg Concerto No. 1 in F, BWV 1046: 1. (Allegro)
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Brandenburg Concerto No. 1 in F, BWV 1046: 2. Adagio
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Brandenburg Concerto No. 6 in B flat, BWV 1051: 3. Allegro
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Suite No. 3 in D, BWV 1068: III. Gavotte I-II
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Brandenburg Concerto No. 1 in F, BWV 1046: 4. Menuet - Trio - Polonaise
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Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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Suite No. 4 in D, BWV 1069: I. Ouverture
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Brandenburg Concerto No. 2 in F, BWV 1047: 3. Allegro assai
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Brandenburg Concerto No. 3 in G, BWV 1048: 1. (Allegro)
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Brandenburg Concerto No. 3 in G, BWV 1048: 3. Allegro
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Suite No. 4 in D, BWV 1069: V. Réjouissance
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Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
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Concerto For Flute, Violin, Harpsichord, And Strings In A Minor, BWV 1044: 2. Adagio ma non tanto e dolce
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Brandenburg Concerto No. 5 in D, BWV 1050: 1. Allegro
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Concerto for Harpsichord, Strings and Continuo No. 3 in D Major, BWV 1054: III. Allegro
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Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: I. (Allegro moderato)
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Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: II. Larghetto
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Concerto for Harpsichord, Strings and Continuo No. 4 in A Major, BWV 1055: III. Allegro ma non tanto
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Concerto for Harpsichord, Strings, and Continuo No. 7 in G Minor, BWV 1058: III. Allegro assai
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Matthäus-Passion, BWV 244, Pt. 1: No. 1, Chorus. Kommt, ihr Töchter, helft mir klagen (Chorus I/II)
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Matthäus-Passion, BWV 244, Pt. 1: No. 3, Chorale. Herzliebster Jesu, was hast du verbrochen
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Samson, HWV 57: Symfony - Andante - Allegro - Allegro - Menuet
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Samson HWV 57 / Act 1: Air: "Loud as the thunder's awful voice"
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Flute Sonata in E Minor, Op. 1 No. 1a, HWV 379: I. Larghetto
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Flute Sonata in E Minor, Op. 1 No. 1a, HWV 379: V. Presto
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Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: II. Allegro
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Flute Sonata in G Major, Op. 1 No. 5, HWV 363b: V. Menuetto
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: II. Vivace
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: III. Presto
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Flute Sonata in B Minor, Op. 1 No. 9, HWV 367b: V. Alla breve
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Flute Sonata in E minor, HWV 375 "Halle" No. 2: I. Adagio
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Flute Sonata in E minor, HWV 375 "Halle" No. 2: II. Allegro
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Flute Sonata in E minor, HWV 375 "Halle" No. 2: III. Grave
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Flute Sonata in B minor, HWV 376 "Halle" No. 3: I. Adagio
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Flute Sonata in B minor, HWV 376 "Halle" No. 3: II. Allegro
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Flute Sonata in B minor, HWV 376 "Halle" No. 3: III. Largo
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Flute Sonata in B minor, HWV 376 "Halle" No. 3: IV. Allegro
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Matthäus-Passion, BWV 244, Pt. 1: No. 13, Aria. Ich will dir mein Herz schenken (Soprano)
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Die Schöpfung, Hob. XXI:2, Pt. 1: No. 8, Aria. Nun beut die Flur das frische Grün
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Die Schöpfung, Hob. XXI:2, Pt. 3: No. 30, Duet. Von deiner Güt', o Herr und Gott – Chorus. Gesegnet sei des Herren Macht
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J.S. Bach: Goldberg Variations, BWV 988 (Remastered 2022)
Goldberg Variations, BWV 988: Var. 10, Fughetta (Remastered 2022)
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Goldberg Variations, BWV 988: Var. 19 (Remastered 2022)
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Goldberg Variations, BWV 988: Var. 20 (Remastered 2022)
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Goldberg Variations, BWV 988: Var. 26 (Remastered 2022)
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Goldberg Variations, BWV 988: Var. 29 (Remastered 2022)
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J.S. Bach: Violin Sonatas Nos. 4-6, BWVV 1017-1019
Bach: Violin Sonatas / Sonaten für Violine & Cembalo, BWV 1014-1019 (Remastered 2021)
J.S. Bach: Concerti for 1 to 4 Harpsichords & String Orchestra
Liszt: Prelude and Fugue on the name B-A-C-H, S. 260; Reger: Fantasie und Fuge über B-A-C-H, Op. 46
J.S. Bach: Cantatas, BWVV 41 & 79 (Live)
Organ Concerto No. 1 in G Minor, Op. 4 No. 1, HWV 289: I. Larghetto, e staccato
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Organ Concerto No. 3 in G Minor, Op. 4 No. 3, HWV 291: I. Adagio
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Organ Concerto No. 5 in F Major, Op. 4 No. 5, HWV 293: I. Larghetto
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Organ Concerto No. 1 in G Minor, Op. 4 No. 1, HWV 289: II. Allegro
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Organ Concerto No. 5 in F Major, Op. 4 No. 5, HWV 293: II. Allegro
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Organ Concerto No. 3 in G Minor, Op. 4 No. 3, HWV 291: III. Adagio
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Organ Concerto No. 5 in F Major, Op. 4 No. 5, HWV 293: III. Alla siciliana
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Organ Concerto No. 3 in G Minor, Op. 4 No. 3, HWV 291: IV. Gavotte. Allegro
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Organ Concerto No. 9 in B-Flat Major, Op. 7 No. 3, HWV 308: I. Allegro
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Organ Concerto No. 9 in B-Flat Major, Op. 7 No. 3, HWV 308: II. Adagio
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Organ Concerto No. 6 in B-Flat Major, Op. 4 No. 6, HWV 294: II. Larghetto
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Organ Concerto No. 6 in B-Flat Major, Op. 4 No. 6, HWV 294: III. Allegro moderato
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Organ Concerto No. 7 in B-Flat Major, Op. 7 No. 1, HWV 306: IV. Bourrée. Allegro
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Organ Concerto No. 9 in B-Flat Major, Op. 7 No. 3, HWV 308: IV. Menuet
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Organ Concerto No. 2 in B-Flat Major, Op. 4 No. 2, HWV 290: I. A tempo ordinario, e staccato
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Organ Concerto No. 4 in F Major, Op. 4 No. 4, HWV 292: II. Andante
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Organ Concerto No. 4 in F Major, Op. 4 No. 4, HWV 292: III. Adagio
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Organ Concerto No. 8 in A Major, Op. 7 No. 2, HWV 307: I. Ouverture
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Organ Concerto No. 10 in D Minor, Op. 7 No. 4, HWV 309: I. Adagio
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Organ Concerto in B-Flat Major, Op. 7 No. 6, HWV 311: II. Adagio
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Organ Concerto No. 10 in D Minor, Op. 7 No. 4, HWV 309: II. Allegro
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Organ Concerto No. 10 in D Minor, Op. 7 No. 4, HWV 309: III. Adagio
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Toccata And Fugue In D Minor, BWV 565: Toccata
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Sonata No. 1 In E Flat, BWV 525: 1. (Allegro moderato)
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Toccata (Prelude) And Fugue In F, BWV 540: (Toccata)
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Toccata And Fugue In D Minor, BWV 565: Fugue
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Sonata No. 1 In E Flat, BWV 525: 2. Adagio
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Toccata (Prelude) And Fugue In F, BWV 540: Fuga
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Sonata No. 2 In C Minor, BWV 526: 1. Vivace
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Sonata No. 1 In E Flat, BWV 525: 3. Allegro
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Partite diverse sopra: O Gott, du frommer Gott, BWV 767
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Sonata No. 2 In C Minor, BWV 526: 2. Largo
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Toccata And Fugue In D Minor, BWV 538 "Dorian": 1. Prelude (Toccata)
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Sonata No. 2 In C Minor, BWV 526: 3. Allegro
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Toccata And Fugue In D Minor, BWV 538 "Dorian": 2. Fuga
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Prelude And Fugue In D Major, BWV 532: (Praeludium)
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Prelude And Fugue In D Major, BWV 532: Fuga
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Wachet auf, ruft uns die Stimme, BWV 645 ('Sleepers, Awake')
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Passacaglia In C Minor, BWV 582: Passacaglia
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Prelude And Fugue In A Minor, BWV 543: 1. Prelude
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Kommst du nun, Jesu, vom Himmel herunter, BWV 650
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Prelude And Fugue In A Minor, BWV 543: 2. Fugue
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Prelude (Fantasy) And Fugue In G Minor, BWV 542 - "Great": 1. Fantasy
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Prelude And Fuge In B Minor, BWV 544: Prelude
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Prelude (Fantasy) And Fugue In G Minor, BWV 542 - "Great": 2. Fugue
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Prelude And Fuge In B Minor, BWV 544: Fugue
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Prelude And Fugue In E Flat, BWV 552: 1. Prelude
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Prelude And Fugue In C Minor, BWV 546: 1. Prelude
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Prelude And Fugue In E Flat, BWV 552: 2. Fugue
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Prelude And Fugue In C Minor, BWV 546: 2. Fugue
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Prelude And Fugue In E Minor, BWV 548: (Praeludium)
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Prelude And Fugue In E Minor, BWV 548: Fuga
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Johann Sebastian Bach: Toccata & Fugue; Famous Organ Works
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Bach 50, The Very Best Of Classical Music
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