Martyna Pastuszka (born 1980) is a Polish violinist, concertmaster, chamber musician, academic lecturer and orchestra leader. Career Martyna Pastuszka was born in 1980 in Ruda Śląska, Poland to a f
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 0xa2e24eb657ded6d7c7f8782bf3d131edfc0ff2835dd5ab16f47dc86cc8f765cd. 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/c870d33d-5cb1-4e6e-b462-f7cfa9479172.json and https://artists.proofprofile.net/proofs/artist/c870d33d-5cb1-4e6e-b462-f7cfa9479172.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Nocturne (Arr. for Violin and Orchestra by Matthias Spindler)
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 0xd58315dda42fc4104e4a7533c27b76c0607200201c0cb9710331567a5d0d9128. 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/USSM12305343.
Violin Concerto No. 1 in E Major, RV 269 "Spring": Violin Concerto No. 1 in E Major, RV 269 "Spring"/I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb348f8016369fd285b6da704d76737eee221bb9cc884b6388ce4c9b897074c. 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/USSM12305335.
Violin Concerto No. 1 in E Major, RV 269 "Spring": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x973c942c1fcb4f81b80c2d9be48f7c839ba049c4a7e3307091eb9d9b357bf9a9. 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/USSM12305336.
Violin Concerto No. 1 in E Major, RV 269 "Spring": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6386d3a7682d43eeedf2e68a6576832a524855537ca03150d0235f9f83a4cfe4. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305337.
Violin Concerto No. 2 in G Minor, RV 315 "Summer": I. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17342f7a3e0271fabf21d3005bfd4b66ad4258ec7a44536be10fb4bcad9612ce. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305340.
Violin Concerto No. 2 in G Minor, RV 315 "Summer": II. Adagio - Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x27dd21f70809775eb851c065430fbdeb913a3a52998c07b1a83cbf31ded214df. 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/USSM12305341.
Violin Concerto No. 2 in G Minor, RV 315 "Summer": III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4747d3d64ae2e13f96d306f3d516b81b762133fcd78bb95599dab42a6eb075. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd58315dda42fc4104e4a7533c27b76c0607200201c0cb9710331567a5d0d9128. 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/USSM12305343.
Violin Concerto No. 3 in F Major, RV 293 "Autumn": I. Allegro
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Violin Concerto No. 3 in F Major, RV 293 "Autumn": II. Adagio molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaac2caeed5015e7c5bc0e9dce3ca76a600a16fec3bfaff76870f19fd496c4e67. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305346.
Violin Concerto No. 3 in F Major, RV 293 "Autumn": III. Allegro
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The Seasons, Op. 37b: X. October "Autumn Song" (Arr. for Violin and Orchestra by Matthias Spindler)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a568aab476add435ebb4a32ea84cb044ab71b6805ba14b2c423085b0d7d2b4. 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/USSM12305348.
Violin Concerto No. 4 in F Minor, RV 297 "Winter": I. Allegro non molto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdc93028f10cc9bb393b2d20ff0f0df28ce1ddf05415901f6e8de1dbc2efa4046. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305350.
Violin Concerto No. 4 in F Minor, RV 297 "Winter": II. Largo
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Violin Concerto No. 4 in F Minor, RV 297 "Winter": III. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeec7b6f8cf22346786ab7f658411a43370c1c28b1a9b1a41d7e5cc57490ad558. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM12305352.
Violin Concerto No. 2 in G Minor, RV 315 "Summer"/III. Presto
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4747d3d64ae2e13f96d306f3d516b81b762133fcd78bb95599dab42a6eb075. 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/USSM12305342.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7a568aab476add435ebb4a32ea84cb044ab71b6805ba14b2c423085b0d7d2b4. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), 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/USSM12305348.
Violin Concerto No. 1 in E Major, RV 269 "Spring"/I. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cb348f8016369fd285b6da704d76737eee221bb9cc884b6388ce4c9b897074c. 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/USSM12305335.
Losy, Weiss: Lute Music in Prague & Vienna Circa 1700. Music from Eighteenth-Century Prague
Losy: Concertus in A Major / VI. Menuet – VII. Passepied – VIII. Menuet
Schreyfogel, Schaffrath & Visconti: Chamber Music
"Nocturne" - Lullabies for a Relaxing Valentine
Nocturne No. 2 in E-Flat Major, Op. 9, No. 2
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The Carnival of the Animals, R. 125: XIII. The Swan (Arr. for Cello and Piano)
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Dolly Suite, Op. 56: I. Berceuse. Allegretto moderato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc5928c4c3227f63d2915cd3376287a8fb82b8c68e6932016cfff07e5e283908. 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/USSM10803474.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x314626e3150bcb5ff68c304ffed268ea408c35b270138cca4f1250f37d2a4c3b. 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/USAT50426108.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe4526a7f0b23e100cc02ea15b258c5547eb5f6a15751884b23353d488b215e. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/USSM11308083.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x32b5e0cd5fa0eb02dfd19ce7643f40a1041d1232c0d1e623435c58001b048b65. 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/DEE861300173.
Ave verum corpus, K.618 (Arr. for Piano by Franz Liszt)
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Adagio in G Minor (Arr. for Harp and Orchestra)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde1046c846c485b989a650e5ba2231abde706493425c51fd314c838106817009. 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/DEE861300186.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e76cc2343703318cd08e0cb47b25746f3625257dd495d80011e080372cffc8e. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/DEE471400267.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x360619f1c60e23dcc27f8777bb49e4c4d390aebed660af7e03548c6b148611fd. 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/USSM12404958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33a31ef8697dc5ee3b0a47ff8049a9ff0847db2f7eb630f756a45a1dc4b37ff7. 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/USSM12101480.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x24ea823b88ce02e30afb9b4fa9a9ee5f0132cea224748eaa4ceada4865d77ca1. 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/DEE860901755.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88b19cb15dbcfc034f3da8e9a04c34af940cf535ea6fec0392d01a9f0015ede7. 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/USSM12404950.
Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "On a G String" (Arr. for Piano)
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Prélude in D-Flat Major, Op. 28, No. 15 "Raindrop"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x57f4afd4b8de8bff80c7332327278048cbe70c8492d07daf6abe68d52149bfaa. 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/USSM11508274.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6996c74f51215f68916a5bb5cc3dcb8dfd559ea08517e3db2e7080bd56b6eafd. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USSM12407841.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb7e25a26637190032e41393c4a1110b80f1cbe3a36f6b85528529f14e66d83. 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/USSM12300096.
Jeux d'enfants, GB 142/Op. 22: III. La Poupée. Berceuse
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Suite in B-Flat Major, HWV 434: IV. Menuet (Arr. for Guitar by Michael Lewin)
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Ich ruf zu dir, Herr Jesu Christ, No. 5, BWV 639
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3 Gymnopédies: No. 1, Lent et douloureux
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf75a52e8ea4b6946e8a54522325d5c615a7d8a175b50551f68e28045f54594. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/USBC10901089.
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Consolation No. 3 in D-Flat Major, S. 172
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Cavalleria rusticana: Act I: Intermezzo sinfonico
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Music for a While (from Oedipus, Z. 583)
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Nostalgie du pays, extrait des Miniatures polonaises
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Zdes' khorosho ('How Fair This Spot'), Op. 21, No. 7
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Bach: Prelude in B minor, BWV 855a (Arr. by Alexander Siloti)
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Drei Intermezzi, Op. 117: II. Andante non troppo e con molto espressione
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Sei piccoli pezzi: III. Canzone armena. Andantino
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6 Chorale Preludes, BV B 50: Herzlich tut mich verlangen, Op. 122/10
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Was mir behagt, ist nur die muntre Jagd, BWV 208: IX. Schafe können sicher weiden (Arr. for Piano)
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Bagatelle No. 25 in A Minor, WoO 59 "Für Elise"
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Piano Sonata No. 14 in C-sharp minor, Op. 27, No. 2, "Moonlight": I. Adagio sostenuto
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Wiegenlied, Op. 49, No. 4 (Arr. for Cello and Piano) [Brahms Lullaby]
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Lotti, Giove in Argo: Con fiamme, e con straggi (Iside)
Giove in Argo, Act II: Con fiamme, e con straggi (Iside)
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"Berceuse" Lullabies for a Relaxing Valentine
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Air on the G String from Orchestral Suite No. 3 in D Major, BWV 1068
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Elsner Symphony, Op. 11 / Weber Clarinet Concerto, Op. 74 / Mozart Symphony K. 134
Józef Elsner: Symphony in C Major, Op. 11: I. Adagio-Allegro
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Concerto grosso - Émigré to the British Isles
Violin Concerto in A Minor, Op. 4 No. 4, RV 357
Violin Concerto in A Minor, Op. 4 No. 4, RV 357: II. Grave
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Violin Concerto in A Minor, Op. 4 No. 4, RV 357: III. Allegro
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Vivaldi: La Silvia, RV 734: Mio cor, s'io ti credessi (Nerina)
La Silvia, RV 734, Act I Scene 14: Mio cor, s'io ti credessi (Nerina)
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Lolli: Sonata for 2 Violins in A Major, Op. 9 No. 3
Vivaldi: The Four Seasons - Violin Concerto in F Major, RV 293 "Autumn", I. Allegro
Vivaldi: The Four Seasons - Violin Concerto in G Minor, RV 315 "Summer", I. Allegro non molto
Vivaldi: The Four Seasons - Violin Concerto in F Minor, RV 297 "Winter", II. Largo
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Vivaldi: The Four Seasons - Violin Concerto in F Minor, RV 297 "Winter", I. Allegro non molto
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Duranowski: Duo concertant in B Major, Op. 3 No. 1
Duo concertant in B Major, Op. 3 No. 1: I. Allegro
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Duo concertant in B Major, Op. 3 No. 1: II. Adagio
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Chopin / Mozart / Kurpiński: Piano Concerto, Symphony No. 5 , Concerto for Clarinet and Orchestra In B-Flat Major
Frédéric Chopin, Jerzy Koenig: Piano Concerto in F Minor, Op. 21, arranged for guitar: I. Maestoso
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