Alan Feinberg (born in New York City) is an American classical pianist. He has premiered over 300 works by such composers as John Adams, Milton Babbitt, John Harbison, Charles Ives, Steve Reich, and
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 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6feab0feaf5f535a88d4e6217672d46e13ba671bc76aeccdbefc1ad002a7099a. 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/3c24e7c9-6d80-48d0-af29-68fff0b11c63.json and https://artists.proofprofile.net/proofs/artist/3c24e7c9-6d80-48d0-af29-68fff0b11c63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Music To My Ears, A Collection of Music for Children of All Ages - Fauré, Chopin, Saint-Saëns, Schumann, Borodin, Bach, etc
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe7125414d992e913180eb86f83f059c6b2942e0c1c67eb5067a65a79de913e1c. 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/USA220810415.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbba4437850970246a3bff61780c8e469dd4ecc1df25a7698f5264174e223df6d. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/USA220810422.
The Essential Nashville Symphony Orchestra
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Water Music Suite No. 2 in D Major, HWV 349: Hornpipe
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50df6e3f0f3167092723c845d939007a6898e70a46be37d541981857c962845c. 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/GBF077710310.
Water Music Suite No. 1 in F Major, HWV 348: Air
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50e65ade6fe46aafd667f0478fd817c670dd86f696ca30dc792a10ccdc1abb7f. 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/GBF078241602.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1302f3c4a283c37f7677787621ed1c68bff1e606bf8188c4681ccf3750320803. 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/GBF076911390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ce2d42a8e475c291a00de5c4f043fea8bebb0a99180cfc568f5a1ca9d7c82a0. 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/GBF075910890.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf902b2a41d438e84020a309818644af0471ee9680d9dec7a47b022a983d4b7ea. 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/GBF077910831.
Piano Sonata No. 14 in C-Sharp Minor, Op. 27 No. 2 "Moonlight": I. Adagio sostenuto
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff6887db9d0b721cd2479bf052e589609b0c501a2cd8defd23c1404386d12a2. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), 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/GBF076910310.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e5cf6b6b0a9cf791df83d2e1b0dabe07f44184022b6fd7536d3c3815cf679f0. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/GBF076411281.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3379090e539e0e82fdc35267d5eb6b97478c0875d2e8eb56f06dbe2ec4e6b01e. 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/GBF077112000.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91b66efb6e1b7b88542459a75e307f5f9e5ac540b0def6df3ea6c107b823369e. 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/GBF077410630.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x152eeafa85dfe0d9bd1a37f5533333ea21ee2c0268dcf86f7651a10cd05f87ce. Chain 2 (Bitcoin): anchored in block 960111 (2026-07-29T13:21:01Z), 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/GBF077711770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9cc655b57a1abf6b537488da40e6d4f43572122da0f2510c2cfba3454a6b8334. Chain 2 (Bitcoin): anchored in block 957055 (2026-07-07T15:12:44Z), 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/GBF076710200.
The Four Seasons, Winter, Violin Concerto in F Minor, RV 297, Op. 8 No. 4: II. Largo
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2 Nordic Melodies, Op. 63: 2. Cowkeeper's Tune and Country Dance
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Nocturne No. 15 in F minor, Op. 55 No. 1
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8be38b7cf1b167687a74837e092157f61e798720c906e31b47f0647506b498f5. Chain 2 (Bitcoin): anchored in block 960459 (2026-07-31T20:22:46Z), 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/GBF077811152.
Much Ado About Nothing - Incidental Music - Concert Suite: Intermezzo (Garden Scene)
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24 Preludes, Op. 28: No. 15 in D-Flat Major "Raindrop Prelude"
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La Vierge / Scene 4: The Assumption: Le dernier sommeil de la Vièrge (The Last Sleep of the Virgin)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c15cbe733add24256e7968a027755b9e2bd18f85a784393fca513eb768f9c98. 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/GBF076810390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bf878b3ec3bea2ce1ec2378b22a438f99a0c07f469db51f9777b9d066418bd8. Chain 2 (Bitcoin): anchored in block 960258 (2026-07-30T12:45:34Z), 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/GBF077711340.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1077065c54659a70da85c03c34f10d0e2b289801fe6fce35e046765d368963a4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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/GBF077011170.
Swan Lake, Op. 20, TH.12 / Act 2: No. 13e Danse des cygnes: Pas d'action: Odette et le prince/Deuxième danse de la reine des cygnes (Andante)
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A Midsummer Night's Dream, Op. 61: Nocturne
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Two Aquarelles: Gaily, but not too quick
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289936b1462bd9ca790ee35266f9d5c60b244b0f3756bc5d1b529688df52ad81. 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/GBF077010730.
Auf dem Wasser zu singen, S.558 No. 2 (after Schubert, D.774)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af4bb53e6963ade4cc6abb1ad6347583ecd95d5ac8452d1c0f7bf7937361db3. 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/GBF077311100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289936b1462bd9ca790ee35266f9d5c60b244b0f3756bc5d1b529688df52ad81. 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/GBF077010730.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c1ee75b814cd00b0a4bb3bb9af02352fb3f82dfd7d5f51f1727d61b15c11bd2. Chain 2 (Bitcoin): anchored in block 960473 (2026-07-31T22:27:44Z), 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/GBF077310190.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0af4bb53e6963ade4cc6abb1ad6347583ecd95d5ac8452d1c0f7bf7937361db3. 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/GBF077311100.
Après un rêve, Op. 7, No. 1 (Arr. Piano)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf74df87ccdcaa87eafc5d452bbc60c79797b18e3e03e277e0dbe6692528c9bfb. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/GBF079141404.
Now, O Now, I Needs Must Part (Arr. Piano)
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Power to the Women: The Best of Female Classical Composers
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8013fe5add18f9683b6326f701fb03070495c89f1d69130fc5fdfc87ebb6dc53. 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/HKI199612801.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7eddfb5caa17a98b3feebce909369bf779f6f1f6173ba0ee1f4ff1ce716ce4ea. 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/HKI199295204.
Suite bergamasque, L. 75: III. Clair de lune
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The Well-Tempered Clavier, Book 1: Prelude No. 1 in C Major BWV 846/1
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air "on the G String"
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Symphony No. 5 in C Minor, Op. 67: I. Allegro con brio
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La traviata / Act 1: Libiamo ne'lieti calici
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Come, Sweet Death, BWV 478 (Arr. for 5 Cellos)
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Piano Concerto No. 27 in B-Flat Major, K. 595: II. Larghetto - Live at Severance Hall, Cleveland, 2010
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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Concerto grosso in G Minor, Op. 6 No. 8, "Christmas Concerto": Adagio (Arr. Davies, Gordon and Tognetti)
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Piano Concerto No. 3 in C, Op. 26: 1. Andante - Allegro
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Cello Sonata No. 4 in C Major, Op. 102 No. 1: I. Andante –
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Canon and Gigue in D Major, P 37: I. Canon
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Concerto for Lute, 2 Violins and Continuo in D major, RV 93: 3. Allegro
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Concerto a 5 in B flat, Op. 7, no.10 for Strings and Continuo: 3. Allegro
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Variations on a Theme of Chopin, Op. 22: Variation No. 16 Lento
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Schwanengesang, D. 957: Ständchen - Performed on Cello & Piano
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Ince: Arches; Symphony No. 2; Remembering Lycia
Piano Concerto in C-Sharp Minor, Op. 45: III. Largo
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The Musical Offering, BWV 1079: Musical Offering, BWV 1079: Ricercar a 3
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Keyboard Sonata in D Minor, K.417/L.462/P.40
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Canzona No. 2 in G Minor, FbWV 302: Canzon No. 2 in G Minor
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Fugue in B Minor on a theme by Albinoni, BWV 951
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Keyboard Sonata in G Minor, K.30/L.499/P.86
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Keyboard Sonata in C Minor, K.58/L.158/P.39
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Musical Offering, BWV 1079: Ricercar a 6
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Extraordinary Vistas - Words & Music of the MacDowell Colony
Beach: Piano Concerto in C-Sharp Minor & Symphony in E Minor "Gaelic"
Ives: When The Moon - Songs & Sets For Orchestra
Violin Solo Music from Einstein on The Beach
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Milton Babbitt: Sextets/The Joy of More Sextets
Beach: Piano Concerto / 'Gaelic' Symphony
Piano Concerto in C-Sharp Minor, Op. 45: I. Allegro moderato
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Piano Concerto in C-Sharp Minor, Op. 45: II. Scherzo: Vivaco (Perpetuum mobile)
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Piano Concerto in C-Sharp Minor, Op. 45: IV. Allegro con scioltezza
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Symphony in E Minor, Op. 32, "Gaelic Symphony": I. Allegro con fuoco
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Symphony in E Minor, Op. 32, "Gaelic Symphony": II. Alla siciliana - Allegro vivace - Andante
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Symphony in E Minor, Op. 32, "Gaelic Symphony": III. Lento con molta espressione
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Symphony in E Minor, Op. 32, "Gaelic Symphony": IV. Allegro di molto
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Brahms & Ligeti: Trios for Violin, Horn & Piano
Trio for Violin, Horn & Piano in E-Flat Major, Op. 40: IV. Finale. Allegro con brio
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Milton Babbitt: Concerto for Piano and Orchestra/The Head of the Bed