Michala Petri (born 7 July 1958) is a Danish recorder player. She is celebrated for her technical virtuosity and versatility across various musical styles. She made her solo debut in 1969, at age elev
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 0x44194e0e9db7c2fd0035542e883796a56c138bad7d161d9ece918c7a116c37cb. 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/d4e92c90-be17-41f3-b7bd-57f0bd5c113f.json and https://artists.proofprofile.net/proofs/artist/d4e92c90-be17-41f3-b7bd-57f0bd5c113f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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
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Bach for Breakfast - The Leisurely Way to Start Your Day
Herz und Mund und Tat und Leben, Cantata BWV 147: No. 10 Jesu, Joy of Man's Desiring (Arr. by Guillermo Figueroa)
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Oboe Concerto in D Minor, BWV 1059R: II. Siciliano
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Suite for Cello Solo No. 3 in C, BWV 1009 - Guitar Transcription by Pepe Romero (1944-): 5. Bourrée I/II
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Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 2. Siciliano
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Sonata No.2 in E flat major, BWV 1031 - For Flute and Harp: 1. Allegro moderato
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 1. (Allegro)
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Sonata for Violin or Flute and Continuo, No.1 in G Minor BWV 1020 - arr. Flute, Harp, and Cello: 2. Adagio
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Christmas Oratorio, BWV 248 / Part Two - For the second Day of Christmas: No. 10 Sinfonia
Academy of St Martin in the Fields Chorus
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Sonata for Flute or Violin No.4 in C, BWV 1033: 1. Andante - Presto
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Sonata for Flute or Violin No.4 in C, BWV 1033: 4. Menuet I - II
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English Suite No. 3 in G minor, BWV 808 - Transcr. for two guitars A. Lagoya: 2. Allemande
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Brandenburg Concerto No. 2 in F Major, BWV 1047: II. Andante
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Suite in E for Lute, BWV 1006a/1000 - Arr. Harp: 3. Gavotte en rondeau
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Concerto For Violin, Oboe, And Strings In D Minor, BWV 1060 - Arr. For Panpipes From Reconstruction By Max Schneider (1875- 1967): 2. Adagio
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Oboe d'amore Concerto in A Major, BWV 1055R: I. (Allegro moderato)
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6 Humoresque Bagatelles, Op. 11, FS 22 (Arr. L. Hannibal for Recorder & Guitar): No. 4, Jumping Jack
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6 Humoresque Bagatelles, Op. 11, FS 22 (Arr. L. Hannibal for Recorder & Guitar): No. 6, The Musical Clock
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Lyric Pieces, Book 1, Op. 12: No. 4, Elves' Dance (Arr. L. Hannibal for Recorder & Guitar)
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6 Humoresque Bagatelles, Op. 11, FS 22 (Arr. L. Hannibal for Recorder & Guitar): No. 1, Hello, Hello!
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
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Brandenburg Concerto No. 2 in F Major, BWV 1047: III. Allegro assai
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Grieg: Holberg's Time and Melodies & Dances
Nordic Sound: Tribute to Axel Borup-Jørgensen
Essercizii musici: Recorder Sonata in D Minor, TWV 41:d4: I. Affettuoso
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Essercizii musici: Recorder Sonata in D Minor, TWV 41:d4: II. Presto
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Violin Sonata in G Minor, "The Devil's Trill" (arr. for recorder and lute): I. Larghetto affetuoso
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Violin Sonata in G Minor, "The Devil's Trill" (arr. for recorder and lute): III. Grave - Allegro assai
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Chaconne in G Minor (arr. for recorder and lute)
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Essercizii musici: Recorder Sonata in D Minor, TWV 41:d4: III. Grave
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Essercizii musici: Recorder Sonata in D Minor, TWV 41:d4: IV. Allegro
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Violin Sonata in G Minor, "The Devil's Trill" (arr. for recorder and lute): II. Allegro
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Recorder Sonata in B-Flat Major, HWV 377: III. Allegro
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J.S. Bach: Flute Sonatas BWVV 1030-1035 (Arr. for Recorder & Basso continuo)
Vivaldi: The Four Seasons & Recorder Concerto in C Major, RV 443
The Four Seasons, Op. 8: Violin Concerto in G Minor, RV 315 "Summer": I. Allegro non molto - Allegro
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The Four Seasons, Op. 8: Violin Concerto in G Minor, RV 315 "Summer": III. Presto
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The Four Seasons, Op. 8: Violin Concerto in F Major, RV 293 "Autumn": I. Allegro
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The Four Seasons, Op. 8: Violin Concerto in F Major, RV 293 "Autumn": III. Allegro
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The Four Seasons, Op. 8: Violin Concerto in F Minor, RV 297 "Winter": II. Largo
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Recorder Concerto in C Major, RV 443: II. Largo
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Recorder Concerto in C Major, RV 443: III. Allegro molto
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The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": I. Allegro
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The Four Seasons, Op. 8: Violin Concerto in F Minor, RV 297 "Winter": I. Allegro non molto
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The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": II. Largo
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The Four Seasons, Op. 8: Violin Concerto in E Major, RV 269 "Spring": III. Allegro
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The Four Seasons, Op. 8: Violin Concerto in G Minor, RV 315 "Summer": II. Adagio - Presto
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The Four Seasons, Op. 8: Violin Concerto in F Major, RV 293 "Autumn": II. Adagio molto
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The Four Seasons, Op. 8: Violin Concerto in F Minor, RV 297 "Winter": III. Allegro
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Recorder Concerto in C Major, RV 443: I. Allegro
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Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: I. Allegro non molto
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Concerto for Flautino, Strings and Basso continuo in A Minor, RV 445: I. Allegro
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: II. Largo
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: III. Allegro molto
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Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: II. Largo
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Concerto for Recorder, Strings and Basso continuo in C Minor, RV 441: III. Allegro
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: I. Allegro non molto
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: II. Largo
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 444: III. Allegro molto
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Concerto for Recorder, Two Violins and Basso continuo in A Minor, RV 108: I. Allegro
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Concerto for Recorder, Two Violins and Basso continuo in A Minor, RV 108: II. Largo
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Concerto for Recorder, Two Violins and Basso continuo in A Minor, RV 108: III. Allegro
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Concerto for Flautino, Strings and Basso continuo in A Minor, RV 445: II. Larghetto
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Concerto for Flautino, Strings and Basso continuo in A Minor, RV 445: III. Allegro
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Concerto for Recorder, Strings and Basso continuo in F Major, RV 442: I. Allegro ma non molto
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Concerto for Recorder, Strings and Basso continuo in F Major, RV 442: II. Largo e cantabile
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Concerto for Recorder, Strings and Basso continuo in F Major, RV 442: III. Allegro
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Concerto for Flautino, Strings and Basso continuo in C Major, RV 443: I. Allegro
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Sonata in F Major, TWV 40:103: II. Allegro
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Sonata in F Major, TWV 40:103: IV. Vivace
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Sonata in F Major, TWV 40:103: III. Largo
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Sonata in B-Flat Major, TWV 40:101: I. Soave
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Sonata in B-Flat Major, TWV 40:101: II. Allegro
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Sonata in B-Flat Major, TWV 40:101: III. Andante
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Sonata in B-Flat Major, TWV 40:101: IV. Allegro
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Telemann: Complete Sonatas for Recorder & Basso Continuo
Concerto Incantanto: I. Sortilegio (Sorcery)
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Concerto Incantanto: V. Incantesimi (The Spells)
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The Nightingale: 4 New Works for Recorder and Choir
Petri, Michala: 50th Birthday Concert With Kremerata Baltica - Albinoni, T. / Chen, Yi / Mozart, W.A. / Rota, N. / Vassiliev, A. / Vivaldi, A.
Chamber Music for Xiao and Recorder (Dialogue: East Meets West)
Brandenburg Concerto No. 2 in F Major, BWV 1047: I. [Allegro]
Bach, J.S.: Brandenburg Concertos / Orchestral Suites / Violin Concertos
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Brandenburg Concerto No. 4 in G Major, BWV 1049: III. Presto
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Brandenburg Concerto No. 4 in G Major, BWV 1049: I. Allegro
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Trio Sonata for Recorder, Violin and Continuo in F, Op. 2, No. 4, HWV 389: 1. Larghetto
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Trio Sonata for Recorder, Violin and Continuo in F, Op. 2, No. 4, HWV 389: 2. Allegro
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Trio Sonata for Recorder, Violin and Continuo in F, Op. 2, No. 4, HWV 389: 3. Adagio
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Trio Sonata for Recorder, Violin and Continuo in F, Op. 2, No. 4, HWV 389: 4. Allegro
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