Krzysztof Urbański (born 17 October 1982, Pabianice, Poland) is a Polish conductor and composer. Biography Urbański studied conducting at the Fryderyk Chopin University of Music in Warsaw, where his
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 0xc78c5d4f72c54a218cab8dc59c8ab2354cd99d9bec1e9c4f23f0fdee0da447ea. 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/1f901a3e-8924-4218-8fc0-f78bd6eb7587.json and https://artists.proofprofile.net/proofs/artist/1f901a3e-8924-4218-8fc0-f78bd6eb7587.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Rachmaninov: Piano Concerto No. 2 in C Minor, Op. 18 & Rhapsody on a Theme of Paganini
Piano Concerto No. 2 in C Minor, Op. 18: I. Moderato
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 0x26a0524bb22de085c36b09965cba3606470d73c1f6207def1673307ec8127ebc. Chain 2 (Bitcoin): anchored in block 960121 (2026-07-29T15:22:21Z), 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/FR50X1627501.
Piano Concerto No. 2 in C Minor, Op. 18: II. Adagio sostenuto
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Piano Concerto No. 2 in C Minor, Op. 18: III. Allegro scherzando
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Rhapsody on a Theme of Paganini, Op. 43: VII. Variation 6. L'istesso tempo
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Rhapsody on a Theme of Paganini, Op. 43: VIII. Variation 7. Meno mosso (A tempo moderato)
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Rhapsody on a Theme of Paganini, Op. 43: IX. Variation 8. Tempo I
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Rhapsody on a Theme of Paganini, Op. 43: X. Variation 9. L'istesso tempo
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Rhapsody on a Theme of Paganini, Op. 43: XI. Variation 10. L'istesso tempo
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Rhapsody on a Theme of Paganini, Op. 43: XII. Variation 11. Moderato
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Rhapsody on a Theme of Paganini, Op. 43: XIII. Variation 12. Tempo di minuetto
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Rhapsody on a Theme of Paganini, Op. 43: XVI. Variation 15. Più vivo scherzando
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Rhapsody on a Theme of Paganini, Op. 43: XIX. Variation 18. Andante cantabile
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Shostakovich: Symphony No. 5 in D Minor, Op. 47
Symphony No. 5 in D Minor, Op. 47: I. Moderato
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Symphony No. 5 in D Minor, Op. 47: II. Allegretto
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Symphony No. 5 in D Minor, Op. 47: IV. Allegro non troppo
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 1, Introduction
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 2, Les augures printaniers
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 3, Jeu du rapt
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 4, Rondes printanières
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 5, Jeux des cités rivales
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Le sacre du printemps, K015: I. L'adoration de la terre: No. 8, Danse de la terre
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Le sacre du printemps, K015: II. Le sacrifice: No. 1, Introduction
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Le sacre du printemps, K015: II. Le sacrifice: No. 2, Cercles mystérieux des adolescentes
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Le sacre du printemps, K015: II. Le sacrifice: No. 3, Glorification de l'élue
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Le sacre du printemps, K015: II. Le sacrifice: No. 4, Évocation des ancêtres
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Le sacre du printemps, K015: II. Le sacrifice: No. 5, Action rituelle des ancêtres
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Le sacre du printemps, K015: II. Le sacrifice: No. 6, Danse sacrale
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Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Andante spianato. Tranquillo - Semplice
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Andante Spianato & Grande Polonaise Brillante in G Major / E-Flat Major, Op. 22: Grande Polonaise Brillante. Allegro molto
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Rondo à la Krakowiak in F Major, Op. 14: Introduzione. Andantino quasi Allegretto - Allegro molto
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Rondo à la Krakowiak in F Major, Op. 14: Rondo. Allegro non troppo - Poco meno mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Introduzione. Largo - Poco più mosso
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Tema. Allegretto
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. I. Brillante
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. II. Veloce, ma accuratamente
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. III. Sempre sostenuto
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. IV. Con bravura
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Var. V. Adagio
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Variations on "Là ci darem la mano" from Mozart's Don Giovanni, Op. 2: Coda. Alla Polacca
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Fantasy on Polish Airs, Op. 13: Largo non troppo
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Fantasy on Polish Airs, Op. 13: Air: "Już miesiąc zeszedł psy się uśpiły" Andantino
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Fantasy on Polish Airs, Op. 13: Thème de Charles Kurpinski: Allegretto - Presto con fuoco - Lento quasi Adagio - Molto più mosso
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Fantasy on Polish Airs, Op. 13: Kujawiak. Vivace
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Dvořák: Symphony No. 9 in E Minor, Op. 95 "From the New World" & A Hero's Song, Op. 111
Symphony No. 9 in E Minor, Op. 95 "From the New World": IV. Allegro con fuoco
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Strauss: Also sprach Zarathustra, Don Juan, Till Eulenspiegel
Concerto for Orchestra: I. Intrada (Allegro maestoso)
North German Radio Philharmonic Orchestra
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Concerto for Orchestra: III. Passacaglia, toccata e corale (Allegro con moto - Allegro giusto)
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Little Suite: IV. Taniec (Allegro molto)
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Good Morning, Mr. Correa - Unplugged / Live (Pt. 2)
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Kinderszenen, Op. 15: I. Von fremden Ländern und Menschen
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Melodie from "Orfeo ed Euridice", Wq. 30 (Arr. Sgambati for Piano)
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Lemon, Honey, Ginger - Unplugged (Pt. 1)
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Cello Suite No. 1 in G Major, BWV 1007: I. Prélude (Arr. for Mandolin by Avi Avital)
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Peer Gynt, Op. 23: Prelude To Act 4 (Morning Mood) - Excerpt
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Good Morning, Mr. Correa - Unplugged / Live (Pt. 3)
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Horn Concerto No. 2 in E-Flat Major, K. 417: II. Andante
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Cello Sonata No. 3 in A Major, Op. 69: III. Adagio cantabile –
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Symphony No. 10 in G, K.74: 3. (Allegro)
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The Four Seasons, Autumn, Violin Concerto in F Major, RV 293, Op. 8 No. 3: II. Adagio molto - Live
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21 Hungarian Dances, WoO 1: No. 5 in G Minor (Orch. Schmeling)
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Lemon, Honey, Ginger - Unplugged (Pt. 2)
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Piano Sonata No. 30 in E Major, Op. 109: IIIa. Theme. Andante molto cantabile ed espressivo
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Nocturne No. 2 in E-Flat Major, Op. 9 No. 2
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11 Bagatelles, Op. 119: 4. Andante cantabile
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Serenade in B-Flat Major, K. 361 "Gran partita": VI. Tema con variazioni. a. Tema
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Lieder ohne Worte I, Op. 19b: IV. Moderato, MWV U73
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Variations on "La ci darem la mano", Op. 2: Thema. Allegretto
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Concerto grosso in G , Op. 3/3 , RV 310 - (Arr. by P.H. Jensen): 2. Largo
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Violin Concerto No. 2 in B Minor, Op. 7, MS. 48: III. Rondo à la clochette "La campanella". Allegretto moderato - Excerpt
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Piano Sonata No. 25 in G Major, Op. 79 "Cuckoo": II. Andante
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Contredanse in C Major. La Bataille, K. 535
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24 Preludes, Op. 28: No. 21 in B-Flat Major. Cantabile - Recorded 1974
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Piano Sonata No. 30 in E Major, Op. 109: IIIc. Var. 2. Leggiermente
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Divertimento in B Flat Major, K. 137: III. Allegro assai
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Lieder ohne Worte V, Op. 62: VI. Allegretto grazioso, MWV U161 "Spring Song"
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Good Morning, Mr. Correa - Unplugged / Live (Pt. 1)
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Piano Sonata No. 30 in E Major, Op. 109: IIIb. Var. 1. Molto espressivo
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Les petits riens, Ballet, K. 299b: No. 1, Larghetto
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Theme From Jurassic Park - From "Jurassic Park" Soundtrack
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Adventures on Earth - From "E.T. the Extra-Terrestrial"
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Something Good - From "The Sound Of Music"
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Consolations, S. 172: No. 3 Lento, placido
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Main Title Theme - From "The English Patient"
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Piano Sonata No. 14 in C Minor, K. 457: II. Adagio
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Lieder ohne Worte, Op. 38: No. 6 Andante con moto in A flat "Duetto"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63905f6702aef394a05d343763a84e4a9c73013b9d12774ee60f36b175e4683f. 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/DEN961800280.
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My Father's Favourite - From "Sense & Sensibility"
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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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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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Concerto grosso in G Minor, Op. 6 No. 8, "Christmas Concerto": Adagio (Arr. Davies, Gordon and Tognetti)
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Après un rêve, Op. 7, No. 1 (Arr. Piano)
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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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Peaceful Piano Moods "Morning" (Peaceful Piano Moods, Volume 1)
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Polonaise No. 3 in A, Op. 40 No. 1 "Military": Allegro con brio - Pt. 4
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Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 1
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Waltz No. 7 in C-Sharp Minor, Op. 64 No. 2: Tempo giusto - Pt. 2
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12 Études, Op. 10: No. 3 in E Major "Tristesse" - Pt. 1
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24 Préludes, Op. 28: No. 4 in E Minor: Largo - Pt. 2
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Waltz No. 3 in A Minor, Op. 34 No. 2 - Pt. 6
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24 Préludes, Op. 28: No. 15 in D-Flat Major : Sostenuto - Pt. 3
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24 Préludes, Op. 28: No. 15 in D-Flat Major: Sostenuto - Pt. 1
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12 Études, Op. 25: No. 6 in G-Sharp Minor "Thirds" - Pt. 1
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12 Etudes, Op. 25: No. 1 in A-Flat Major "Harp Study" - Pt. 2
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12 Etudes, Op. 10: No. 12 in C Minor "Revolutionary" - Pt. 3
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12 Etudes, Op. 25: No. 11 in A Minor "Winter Wind" - Pt. 2
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12 Etudes, Op. 25: No. 11 in A Minor "Winter Wind" - Pt. 1
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Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 1
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Nocturne No. 5 in F-Sharp Major, Op. 15 No. 2 - Pt. 2
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Mazurka No. 5 in B-Flat Major, Op. 7 No. 1: Vivace - Pt. 1
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Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 2
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Scherzo No. 3 in C-Sharp Minor, Op. 39 - Pt. 3
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Cello Concerto in E Minor, Op. 85: I. Adagio - Moderato
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Cello Concerto in E Minor, Op. 85: II. Lento - Allegro molto
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Cello Concerto in E Minor, Op. 85: III. Adagio
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Cello Concerto in E Minor, Op. 85: IV. Allegro - Moderato - Allegro ma non troppo
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Cello Concerto No. 1, H. 196: I. Allegro moderato
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Cello Concerto No. 1, H. 196: II. Andante moderato
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Cello Concerto No. 1, H. 196: III. Allegro - Andantino - Tempo I
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Radio Sinfonieorchester Stuttgart des SWR
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