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 0xcdcd7cd00efacaec7f62a66620d13f95c3c4a10782b6c6db635cd8ea9a4777ab. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/be0e956d-f44d-452a-91b2-15039a90ab95.json and https://artists.proofprofile.net/proofs/artist/be0e956d-f44d-452a-91b2-15039a90ab95.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Joseph Bodin De Boismortier: 6 Flute Sonatas, Op. 91
Bach: Brandenburg Concertos; Orchestral Suites; Chamber Music
Brandenburg Concerto No. 1 in F Major, BWV 1046: I. (Allegro)
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Orchestral Suite No. 3 in D Major, BWV 1068: 1. Ouverture - Vite
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Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Brandenburg Concerto No. 6 In B-Flat Major, BWV 1051: 3. Allegro
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Orchestral Suite No. 3 In D Major, BWV1068: 3. Gavotte I alternativement - 4. (Gavotte) II
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Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuet - V. Trio - VI. Polonaise - VII. Trio
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Concerto For Flute, Violin, Harpsichord, And Strings In A Minor, BWV 1044: 1. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: 5. Bourrée
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. (Allegro)
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Orchestral Suite No. 3 in D Major, BWV 1068: 6. Gigue
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Orchestral Suite No. 1 in C Major, BWV 1066: I. Ouverture
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. (Allegro)
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Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Allegro
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Brandenburg Concerto No. 4 In G Major, BWV 1049: 1. Allegro
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Orchestral Suite No. 1 in C Major, BWV 1066: V. Forlane
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Brandenburg Concerto No. 4 In G Major, BWV 1049: 2. Andante
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Brandenburg Concerto No. 4 In G Major, BWV 1049: 3. Presto
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Suite No. 5 In G Minor, BWV 1070 (App. B)(Not Attributed To Bach): 2. Torneo (Allegretto)
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Brandenburg Concerto No. 5 In D Major, BWV 1050: 1. Allegro
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Orchestral Suite No. 1 In C Major, BWV 1066: X. Passepied I alternativement - XI. Passepied II
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Brandenburg Concerto No. 5 In D Major, BWV 1050: 2. Affettuoso
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Brandenburg Concerto No. 5 In D Major, BWV 1050: 3. Allegro
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Orchestral Suite No. 2 In B Minor, BWV 1067: 4. Bourrée I alternativement - 5. (Bourrée) II
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Orchestral Suite No. 2 In B Minor, BWV 1067: 6. Polonaise - 6a. Double
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Orchestral Suite No. 2 In B Minor, BWV 1067: 8. Badinerie
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J. S. Bach: Musikalisches Opfer BWV 1079; Sonata No. 2 in Es BWV 1031 für Flöte und Cembalo; Sonate Nr. 3 in E BWV 1035 für Flöte und Basso Continuo
Concerto in A Major, Op. 12 No. 1: III. Adagio
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Mozart: Eine kleine Nachtmusik, K. 525: I. Allegro
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Mozart: Eine kleine Nachtmusik, K. 525: III. Menuetto. Allegretto
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Bach, CPE: Symphonies, Wq. 183: No. 3 in F Major: I. Allegro di molto
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Bach, JS: Brandenburg Concerto No. 3 in G Major, BWV 1048: I. —
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Bach, JS: Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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Bach, JS: Brandenburg Concerto No. 3 in G Major, BWV 1048: III. Allegro
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Bach: Magnificat, BWV 243: I. Chorus. "Magnificat anima mea Dominum"
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Bach: Magnificat, BWV 243: IX. Aria. "Esurientes implevit bonis"
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: I. Largo
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: II. Vivace
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Telemann: Essercizii musici: Trio Sonata No. 6 for Flute, Viola da gamba and Continuo in B Minor, TWV 42:h4: III. Dolce
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 1, Chor. "Jauchzet, frohlocket, auf, preiset die Tage"
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 1: No. 4, Aria. "Bereite dich, Zion, mit zärtlichen Trieben"
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Bach, JS: Weihnachtsoratorium, BWV 248, Pt. 2: No. 10, Sinfonia
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Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: I. Vivace
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Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: II. Adagio
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Bach, JS: Viola da Gamba Sonata No. 3 in G Minor, BWV 1029: III. Allegro
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Bach 50, The Very Best Of Classical Music
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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The Well-Tempered Clavier, Book 1, BWV 846-869: Prelude and Fugue in C Major, BWV 846
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Orchestral Suite No. 2 In B Minor, BWV 1067: VII. Badinerie
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Toccata and Fugue in D Minor, BWV 565: I. Toccata
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Toccata and Fugue in D Minor, BWV 565: II. Fugue
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Cello Suite No. 1 in G Major, BWV 1007: I. Prélude
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Brandenburg Concerto No. 3 in G, BWV 1048: 3. Allegro
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Herz und Mund und Tat und Leben Cantata, BWV 147: Jesu joy of man's desiring
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Brandenburg Concerto No. 4 in G, BWV 1049: 1. Allegro
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Goldberg Variations, BWV 988: Aria da Capo
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Arioso (Adagio in G) from Cantata BWV 156 (Arr. by Lloyd Webber)
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Violin Concerto No. 1 in A Minor, BWV 1041: I. (Allegro moderato)
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Mass in B Minor, BWV 232 / Kyrie: Kyrie eleison (I)
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Mass in B Minor, BWV 232 / Credo: Et incarnatus est
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Brandenburg Concerto No. 2 in F, BWV 1047: 1. (Allegro)
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Suite for Cello Solo No. 4 in E-Flat Major, BWV 1010: VII. Gigue
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The Art Of Fugue, BWV 1080 - Version For String Quartet: Contrapunctus 4
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The Art Of Fugue, BWV 1080 - Version For String Quartet: Contrapunctus 5
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Der Himmel lacht, die Erde jubilieret, Cantata BWV 31: 1. Sonata
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Matthäus-Passion, BWV 244 / Zweiter Teil: No. 39 "Erbarme dich"
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St. Matthew Passion, BWV 244 - Ed. Elgar, Atkins. Trans. Troutbeck. - Part One: Come ye daughters
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Matthäus-Passion, BWV 244 / Erster Teil: No. 1 "Kommt, ihr Töchter, helft mir klagen"
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Passacaglia & Fugue in C Minor, BWV 582 - Live
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Concerto For Harpsichord, Strings, And Continuo No. 5 In F Minor, BWV 1056: 1. (Allegro)
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Concerto for Harpsichord, Strings & Continuo No. 1 in D Minor, BWV 1052: 1. Allegro
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Concerto For Harpsichord, Strings, And Continuo No. 5 In F Minor, BWV 1056: 3. Presto
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Schemellis Gesangbuch: "Mein Jesu! Was fur Seelenweh", BWV 487 - Live
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Christmas Oratorio, BWV 248 / Part One - For The First Day Of Christmas: No. 1 Chorus: "Jauchzet, frohlocket"
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Christmas Oratorio, BWV 248 / Part One - For The First Day Of Christmas: No. 4 Aria: " Bereite dich, Zion"
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Violin Concerto No. 2 in E Major, BWV 1042: II. Adagio
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Prelude in E-Flat Minor (WTK, Book I, No. 8), BWV 853 (Orch. Stokowski) - Live
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Organ Concerto in A minor, BWV 593 after Vivaldi's Concerto Op. 3 No. 8: 2. Adagio
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Brandenburg Concerto No. 3 in G Major, BWV 1048: II. Adagio
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Matthäus-Passion, BWV 244, Pt. 2: No. 39, Erbarme dich (Arr. for Oboe d'amore, Violin & Ensemble)
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20th Century Recordings: Orchestral Music
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Louis-Gabriel Guillemain: Flute Quartets, Op. 12
Sonata No. 1 in G Major, Op. 12, No. 1: I. Allegro moderato
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Thematis Regii Elaborationes Canonicae - Musikales Opfer, BWV 1079: Canon a 2 per Augmentationem, contrario Motu
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Ricercar a 6 - Musikales Opfer, BWV 1079
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Stamitz, Bach, Abel, Haydn & Abingdon: Chamber Music for two Flutes, Viola and Cello (Destination London - Music for the Earl of Abingdon)
C.P.E. Bach: Sonatas for Flute and Fortepiano
Bach, J.S.: Cello Suites Nos. 1-3 (Arr. for Flute) / Flute Partita, Bwv 1013
Flute Partita in A Minor, BWV 1013: I. Allemande
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Haydn: The Trios for Fortepiano, Flute and Violoncello
Telemann: Nouveaux quatuors "Paris Quartets"
Telemann: Nouveaux quatuors "Paris Quartets", No. 1 in D Major, TWV 43:D3: II. Tendrement
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Telemann: Nouveaux quatuors "Paris Quartets", No. 6 in E Minor, TWV 43:e4: VI. Modéré
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Clérambault: Orphée: Récitatif: "Pluton surpris" - Air: "Chantez la victoire"
Antonio Vivaldi & Other Baroque Greats: Musica Antiqua Köln
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Delius: On Hearing the First Cuckoo in Spring
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Bach, JS: Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
Orchestre de chambre Jean-François Paillard
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Vaughan Williams: Fantasia on Greensleeves
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Khachaturian : Spartacus, Suite No. 2: I. Adagio of Spartacus & Phrygia
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Albinoni / Arr. Giazotto: Adagio in G Minor
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Ravel: Piano Concerto in G Major, M. 83: II. Adagio assai
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Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio
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Pachelbel / Arr. Paillard: Canon and Gigue in D Major: Canon
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Chopin: Piano Concerto No. 1 in E Minor, Op. 11: II. Romance. Larghetto
Orchestre National de l'Opéra de Monte-Carlo
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Copland: Appalachian Spring: XI. Thema & Variations. The Gift to Be Simple (1944 Version)
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Mendelssohn: Violin Concerto in E Minor, Op. 64, MWV O14: II. Andante
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Mahler: Symphony No. 5 in C-Sharp Minor: IV. Adagietto. Sehr langsam
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Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Albinoni: Oboe Concerto in D Minor, Op. 9 No. 2: II. Adagio
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Vivaldi: Concerto for Two Mandolins in G Major, RV 532: I. Allegro
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Pachelbel: Canon and Gigue for Three Violins and Continuo in D Major: Canon
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Delibes: Coppélia, Act 3: No. 20c, Fête de la cloche. La prière
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Telemann: Trumpet Concerto in D Major, TWV 51:D7: I. Adagio
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Mozart: Horn Concerto No. 4 in E-Flat Major, K. 495: II. Romance. Andante cantabile
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Marcello: Oboe Concerto in C Minor: II. Adagio
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Mozart: Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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Beethoven: Piano Sonata No. 8 in C Minor, Op. 13 "Pathétique": II. Adagio cantabile
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Bach: Brandenburg Concertos Nos. 1 - 6 - Concertos, BWV 1044 & 1059
Bach, JS: Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
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Bach, JS: Brandenburg Concerto No. 1 in F Major, BWV 1046: II. Adagio
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Bach, JS: Brandenburg Concerto No. 1 in F Major, BWV 1046: III. Allegro
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Bach, JS: Brandenburg Concerto No. 1 in F Major, BWV 1046: IV. Menuetto. Trio I - Polacca - Trio II
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Bach, JS: Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
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Bach, JS: Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Bach, JS: Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Bach, JS: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: I. Allegro
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Bach, JS: Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Bach, JS: Brandenburg Concerto No. 5 in D Major, BWV 1050: III. Allegro
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Bach, JS: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: I. —
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Bach, JS: Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Bach, JS & Koopman: Keyboard Concerto No. 8 in D Minor, BWV 1059: I. Allegro
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Bach, JS: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: II. Adagio ma non tanto e dolce
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Bach, JS: Concerto for Flute, Violin and Harpsichord in A Minor, BWV 1044: III. Alla breve
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Concerto in D Major for Transverse Flute, Strings and Basso Continuo: I. Moderato
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Concerto in D Major for Transverse Flute, Strings and Basso Continuo: II. Allegro
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: I. Allegro
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: II. Largo
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Concerto in B-Flat Major for 3 Oboes, 3 Violins and Basso Continuo: III. Allegro
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Concerto in D Minor for 2 Chalumeaux, Strings and Basso Continuo: I. Largo
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Concerto in D Minor for 2 Chalumeaux, Strings and Basso Continuo: IV. Vivace
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Concerto for Recorder, Flute, Strings and Continuo in E Minor: III. Largo
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Concerto for Recorder, Flute, Strings and Continuo in E Minor: IV. Presto
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Concerto in D Major for Trumpet, Violine, Strings and Basso Continuo: II. Adagio
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"Sonate en Quatuor" in A Minor, Op. 17 No. 6: I. Without Tempo Indication
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"Sonate en Quatuor" in A Minor, Op. 17 No. 6: II. Aria Grazioso
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"Sonate en Quatuor" in A Minor, Op. 17 No. 6: III. Presto
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