thumb Alain Lefèvre, (; born July 23, 1962) is a French Canadian pianist and composer. He has performed at venues such as Carnegie Hall, Kennedy Center, Royal Albert Hall, Royal Festival Hall, Théatr
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 0xe2467f8e6754e53b3d506eba4c193bf104e7d6eb62db9af11627cf512e8244f3. 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/5a6b7718-804a-4963-8903-8ded9c3e3219.json and https://artists.proofprofile.net/proofs/artist/5a6b7718-804a-4963-8903-8ded9c3e3219.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Debussy: Clair de lune and Other Masterpieces
Debussy: Petite suite, CD 71, L. 65: I. En bateau (Orch. Büsser)
Orchestre de chambre Jean-François Paillard
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 0x0b2412278ab35316db87d61b3eca73ff5203cf3ceedfd42d1daed34e678d96cb. 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/FRZ201900495.
Debussy: Suite bergamasque, CD 82, L. 75: III. Clair de lune
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xffaaa9c1bfa519e1728bb0a277b0a6989c333a962ef5c12943efe0b00962ab4f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FRZ207201001.
Debussy: Piano Trio in G Major, CD 5, L. 5: III. Andante espressivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c2ed5d02c272bbfc54ba69b7606b3981fa1a676de83f93767b33cbd9f54f44e. 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/GBAYC1702017.
Debussy: String Quartet in G Minor, Op. 10, CD 91, L. 85: II. Assez vif et bien rythmé
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64344f3eade43fb89f86899f385699b156c01a19f0138492429e2e54a08709ce. 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/GBAYC0002568.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5787738ac79ef2ba3d43fb20f18f65e7577c66020e29f7fcc632dba6847236e4. 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/GBAYC2101298.
Debussy: La Mer, CD 111, L. 109: II. Jeux de vagues
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x948be09e4f0367eb08aea4d99e1f86dc2a340404a41589a0f1872427a7f11988. 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/GBAYC0402473.
Debussy: Cello Sonata in D Minor, CD 144, L. 135: III. Final. Animé, léger et nerveux
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfd70d8c0d7e63ac50e5e0ed787dcffc1b5e9ad2df769d3d3d148cfafa2a4ef5. 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/FRZ208310003.
Debussy: Pour le piano, L. 95: III. Toccata
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Debussy: Fantaisie for Piano and Orchestra, CD 72, L. 73: I. Andante - Allegro
Orchestre National Du Capitole De Toulouse
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76e0f9a15d3f8c92f9a0d6b8a6d353ac6f481f99cfd89d9248f6f1f9e0167b47. 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/FRZ119504860.
Debussy: Estampes, CD 108, L. 100: No. 3, Jardins sous la pluie
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc8e2d05f4ee321d78e7ce526f9e720c6af2a3dbced52832cdecb28d008b7a167. 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/GBAYC2200308.
Debussy: Fêtes galantes, Livre I, CD 86, L. 80: I. En sourdine
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88e781185c58f0187aa31842553339659976b689ae56f1f00988a02cb434bd74. 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/GBAYC9302837.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba814f223f28d45f98159cc73d6f76ceb543b71359f7b85af1a0b8c325d9a9f0. 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/GBAYC9902546.
Debussy: Première rapsodie in B-Flat Major, CD 124, L. 116 (Orchestral Version)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x811658bb7dd4d41e55ac9aede0fbffcdcc74c8a8102e4e9d811cc320dc952ff3. 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/GBAYC9803209.
Debussy: Children's Corner, CD 119, L. 113: No. 6, Golliwog's Cake Walk
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd5274ae985043b9e04704f50f4059934bcfa9609dfe6ce4b72f5950b16d7522. 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/GBAYC8804529.
Debussy / Orch. Stokowski: Suite bergamasque, CD 82, L. 75: III. Clair de lune
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xba8f64f089846b8da7df6b614a6d063332b2afcdba288f7dbff760b3ff8b0804. 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/GBAYC9502830.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38b1fdfb4548ad11a3ed571bf249693e9166f6072b75185acbe4cc97c0643699. 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/GBAYC2002125.
Debussy: 3 Chansons de Bilitis, CD 97 L. 90: No. 1, La flûte de Pan
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8eb9d8ffce0816de00e76df7a3a0b6d66dd4133bac787d4cdc46c9504ab261aa. 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/GBAYC1702020.
Debussy: Violin Sonata in G Minor, CD 148, L. 140: I. Allegro vivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8ca8f7691c9096aa18a1d94cff857b52ae19fbd660bb65d4c5cbb906536fc3ae. 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/FRZ111200641.
Debussy: Beau soir, CD 84, L. 6 (Arr. Heifetz for Violin and Piano)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e88e8116cd6d9d92bfac11a2fb56f89c57e1ef9a05bc91f3047b94493d8e103. 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/GBAYC9802699.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69fc413e39071b5d3c04923aa8c5308f36974d3ff3c2c0fbf18cd7bd3ce6c805. 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/GBDYG1900316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdffcae5e99160baf01648924a602b069e2acaaa594799a5c924d9c0a05b7e2c7. 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/GBDYG2000096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65ef44d8f6c6cb302efd456496ed155593e6a0bee4300983a3fc9853afab6ba2. 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/GBDYG2000097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4858daba7b6d7d5f93e61c8f63cd9a16cf881619a5272b639495fea7125efc67. 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/GBDYG1900318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd4416edac996a968c96a23f0aeac8c4462ca9e0771a28a60e51fc8a70f8706a. Chain 2 (Bitcoin): anchored in block 957061 (2026-07-07T16:07:00Z), 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/GBDYG1900319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb523de4fff8e3e907dc65f599bd0cafe24454b03ac2b477ad7e74fe54fc51fa0. 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/GBDYG1900321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85760cdd3ae814c403d484e3e37580224a43620cb5372b9e1852a8c75729cb4e. 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/GBDYG1900322.
Mathieu: Concerto de Québec & Works for 2 Pianos
Mathieu / Arr. Wastor: Concertino No. 2, Op. 13: II. Andante
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Mathieu / Arr. Wastor: Concertino No. 2, Op. 13: III. Mathieu / Arr. Wastor: Concertino No. 2: II. Allegro
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Satie: 3 Gymnopédies: I. Lent et douloureux
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Ravel: Sonatine, M. 40: II. Mouvement de menuet
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Debussy: Suite Bergamasque, L. 75: III. Clair de lune
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Debussy: 2 Arabesques. L. 66: No. 1 in E Major
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Mathieu: Concerto No. 3 / Gershwin: An American in Paris
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x108c07bcc4d35fcf1e92e5d27cbae864d779dfc8900593e16f103486c024ace2. 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/CALC41601171.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdcaf455e7ce4473d9e0e098c283e39a4e7b6386fd726ae70a076af85f3cf66f9. 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/CALC41601172.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8653bb66f0979817ebfd38162319554ac013f15ef1b0833165ed159f5a56ebb4. 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/CALC41601174.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79673187a73e47829ba8f5c88a1c993008b04355c9891582b321cddad42dd8b3. 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/CALC41601177.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x358d4a0a8dd1468dbb327f5d2acb221fe143efd6827624196d3a1cbc7074e08c. Chain 2 (Bitcoin): anchored in block 957026 (2026-07-07T11:02:43Z), 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/CALC41501023.
Rachmaninov: Piano Concerto No. 4 Op. 40 (Original 1926 version) - Scriabin: Prometheus, The Poem of Fire, Op. 60
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe45c150eb86f78148f35e7bd4ef6c93fa0d0818bc1e3511913ef8e84a14158ed. 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/CALC41100602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda01c8d0a5c13f3b42c01786bef58f36f8790164555d27faee090ec549b6fe53. 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/CALC41100604.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70870edf4e22b8f576712518908497c6c6fca0a998fe7fa5f5fe277a9f88421e. 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/CALC41100605.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8c88c6de84fb47fb33a72dcb92031fb701805c5fbd5633f570f55f2636185bd1. 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/CALC41100606.
Un canadien errant (A Wandering Canadian)
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Chausson – Concert; Mathieu – Trio & Quintette
L'enfant prodige: L'incroyable destinée d'André Mathieu (musique du film)
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Mozart: Piano Concerto No. 23 / Symphony No. 41
Franck & Lekeu: Sonates - Mathieu: Ballade, Fantaisie
Andre Mathieu: Concerto No. 4, Orchestral Works
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Four Songs For Choir And Orchestra, Oh! My Beautiful Love
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Schubert: Drei Klavierstücke / Rachmaninov: Neuf Études-Tableaux, Op.39
Cadenza - Three Centuries of Keyboard Music
Nocturne No. 1 in B-Flat Minor, Op. 9, No. 1: Noctune, Op. 9, No. 2
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Fidèles Insomnies (Blissfully Sleepless)
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Concerto De Québec (Mathieu) / Warsaw Concerto (Addinsel) / Concerto In F (Gershwin)
Concerto De Québec: II. Andante (Mathieu)
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Danza de la moza donosa danses Argentines, op.2
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Paris Memories - Franck: Prélude, Fugue and Variation: I. Prelude
Op. 7: Preludes - Aux portes du destin, Pt.2 "pour mon ami Imad"
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Corigliano: Concerto For Piano & Orchestra
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