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 0x2545701877316fe8593440f177490012c2763bfbed48b875c479b16491a1032f. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/81d1b7b9-db89-46eb-8cc0-5bf28ca411d2.json and https://artists.proofprofile.net/proofs/artist/81d1b7b9-db89-46eb-8cc0-5bf28ca411d2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Suite bergamasque: Suite Bergamasque: III. Clair de lune
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 0xebd89d16da838d61497e1717fc149dce5b02500d532bd307b7ecfddb3e7d267d. 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/HKI199241703.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x800be78c2efe937e7ac54f3c3c6f2cb208b6f6a73391a3beaf4202476b83554c. 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/HKI199632407.
Symphony No. 9 in E Minor, Op. 95, "From the New World": II. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bb387bcc4fe2ed13cf0e474f5cabba73bbc10cade47724a967f3eb4a6b28f5a. Chain 2 (Bitcoin): anchored in block 957056 (2026-07-07T15:15:30Z), 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/HKI190757203.
Concerto for 2 Violins in D Minor, BWV 1043: II. Largo ma non tanto
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Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakme: Dome epais, le jasmin (Flower Duet)
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Rhapsody on a Theme of Paganini, Op. 43: Variation 18: Andante cantabile
Polish National Radio Symphony Orchestra
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Symphony No. 5 in C-Sharp Minor: IV. Adagietto: Sehr langsam
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5 Lieder, Op. 49: No. 4. Wiegenlied (arr. P. Nagy for piano)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f41cde8c0aea709b1b16feca9fb8247b6c6f9e04940423bc22842b3097e4f97. 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/HKI190931822.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcca85b7866be04ce9be65d9b3e499dfbd6644aba8b05b01c236ac1eaca6421fd. 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/HKI199644301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe13087f6d64bcd48a3291df7828f31aaa19665e80d44ade5c79e5a8d0ae6de8c. 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/HKI199240810.
Ein Sommernachtstraum, Op. 61, MWV M13: A Midsummer Night's Dream, Op. 61, Act III: Nocturne
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Madama Butterfly, Act II: Madame Butterfly, Act II: Humming Chorus
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Prélude à l'après-midi d'un faune, L. 86: Prelude a l'apres-midi d'un faune
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4d8c9e3881cc5d0f8ab6b1f98b22deb57435f8e77b6b5adbccf5cc88f6bd0115. 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/HKI190049611.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b378c9c4c37e2abeb79d1fff32c93360eee403365f6fd0bec1936bd50c51e99. 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/HKI190627717.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4e4e0e210a809267ee22ad2e223fe037853ec352a54e8948f90b1c91058a7321. 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/HKI199633410.
The Gadfly Suite, Op. 97a: VIII. Romance
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Variations on an Original Theme, Op. 36, "Enigma": Variation 9: Nimrod
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Concerto for Flute and Harp in C Major, K. 299: II. Andantino
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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 0xf40a6ac6c0e96c2bec83381cdbf0be2dba3e77feefa6f0770e898f55d510b9a1. 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/HKI199927402.
Piano Concerto No. 2 in F Major, Op. 102: II. Andante
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Overture (Suite) No. 3 in D Major, BWV 1068: II. Air, "Air on a G String"
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Ave verum corpus, K. 618: Ave Verum Corpus, K. 618
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Serse (Xerxes), HWV 40: Ombra mai fu: Larghetto (arr. for oboe and orchestra)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa251403b63b7494c69876ce160c2176e91226fbc31261dbf2bd9d32b3dc7d31d. 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/HKI199829613.
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A Guided Tour of the Romantic Era, Vol. 9
Orphee aux enfers (Orpheus in the Underworld): Overture
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Spiegel im Spiegel (Version for Violin & Piano)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa9f6073f9b7d32fc0d3215005d828caaf39382a4438e0c18faf2fb436f7d43ac. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/USB8U1611876.
Lytte Laere Og Lege - Vuggeviser (Listen, Learn and Play - Lullabies)
Les contes d'Hoffmann (The Tales of Hoffmann): Barcarole
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Irish Tune from County Derry (version for orchestra)
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Fredmans epistlar (arr. J. Eriksson): Fredmans epistlar: No. 71. Ulla, min Ulla (arr. J. Eriksson for orchestra)
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Petite Suite: I. En bateau (arr. H. Busser for orchestra)
CSSR State Philharmonic Orchestra, Kosice
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Clarinet Concerto in B-Flat Major (reconstructed R. Meylan): I. Andante sostenuto
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3 nya dans-poem (3 New Dance Poems): No. 2. Pa graset under lindarna (In the Grass Under)
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Cello Concerto No. 2 in A Major: III. Rondo: Allegretto
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La Gioconda *: La Gioconda: Dance of the Hours
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Collegium Philarmonicum Chamber Orchestra
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Water Music Suite No. 2 in F Major, HWV 348: Water Music: Suite No. 1 in F Major, HWV 348: VI. Air
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The Gadfly Suite, Op. 97a: V. Barrel-Organ Waltz
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4 Akvareller (4 Watercolours): No. 1. Idyll (arr. J. Johansson)
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Flute Concerto No. 1 in G Major, K. 313: II. Adagio non troppo
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Concerto for Flute & Harp in C Major, K. 299: Concerto for Flute and Harp in C Major, K. 299: III. Rondo: Allegro
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Serenade for Strings, Op. 22, B. 52: Serenade in E Major, Op. 22, B. 52: IV. Larghetto
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Lieder ohne Worte, Book 5, Op. 62: Songs without Words (Selection): No. 30 in A Major, Op. 62/6, Spring Song
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Sonata No. 4 for Violin and Harpsichord in C Minor, BWV 1017: I. Siciliano (arr. J. Dvorak)
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Viola Concerto in G Major, TWV 51:G9: I. Largo
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Pastoralsvit, Op. 19: Pastoralsvit (Pastorale Suite), Op. 19: II. Romance
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Keyboard Concerto in F Minor, BWV 1056: Harpsichord Concerto in F Minor, BWV 1056: II. Largo
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3 Folkliga valser (3 Folk Waltzes): Folklig vals nr 2 (Folk Waltz No. 2)
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Cello Concerto No. 2 in A Major: II. Romance: Andantino
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Violin Sonata No. 17 in C Major, K. 296: II. Andante sostenuto
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Keyboard Sonata in C Minor, K.40/L.375/P.119
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5 Anecdotas: 5 Anecdotas: No. 2. Allegro moderato con grazia
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Ballet Suite No. 1 (arr. L. Atovmyan for orchestra): Ballet Suite No. 1: III. Romance (The Limpid Stream) (arr. L. Atovmyan)
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Sonata for Strings No. 3 in C Major: III. Moderato
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Faust: Faust, Ballet Music: V. Les Troyennes: Moderato con moto
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A Guided Tour of the Romantic Era, Vol. 13
TV Classics: Classical Music from Television Series and Commercials
Zadok the Priest, HWV 258: Zadok the Priest (P and O Cruises)
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Lakmé: Blumenduett (Lara Croft Tomb Raider): Lakme: Dome epais, le jasmin, "Flower Duet" (British Airways)
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Symphony No. 9 in D Minor, Op. 125, "Choral": II. Molto vivace (TheTrainline.com)
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Peer Gynt Suite No. 1, Op. 46: IV. In The Hall Of The Mountain King (Alton Towers)
Slovak State Philharmonic Orchestra, Kosice
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Spartacus Ballet Suite No. 2: I. Adagio of Spartacus and Phyrigia (The Onedin Line)
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Classical Music at the Movies - Epics and Drama
Schindler's List: Theme (Shindler's List)
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5 Lieder, Op. 49: No. 4. Wiegenlied (Lullaby) (arr. for orchestra)
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The Firebird Suite: V. Berceuse (Lullaby)
Belgian Radio and Television Philharmonic Orchestra
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Lyric Pieces, Book 5, Op. 54: No. 4. Nocturne
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2 Pieces, Op. posth., B. 188: No. 1. Lullaby in G Major
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Suite bergamasque: III. Clair de lune (arr. A. Reed for orchestra)
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Lieder ohne Worte (Songs without Words), Book 6, Op. 67: No. 36 in E Major, Op. 67, No. 6
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Wiegenlied, Op. 98, No. 2, D. 498 (arr. for orchestra)
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Book of Songs, Book 1: Come, heavy sleep
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A Guided Tour of the Romantic Era, Vol. 5
A Guided Tour of the Romantic Era, Vol. 11
A Guided Tour of Nationalism in the Romantic Era, Vol. 5
40 of the Best: Classical Music to Study or Chill With
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Fantasia on Greensleeves (arr. R. Greaves for orchestra)
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Klavierkonzert Nr. 21 C-Dur, K. 467, "Elvira Madigan": 2. Andante (Elvira Madigan): Piano Concerto No. 21 in C Major, K. 467, "Elvira Madigan": II. Andante
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Canon and Gigue in D Major: Canon in D Major
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6 Romances, Op. 6: None but the lonely heart, Op. 6, No. 6
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Thais: Thais, Act II: Meditation (Ladies in Lavender)
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Peer Gynt: Suite No. 2, Op. 55: IV. Solveigs sang (Solveig's Song)
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Mendelssohn: Violin Concerto in E Minor - Bruch: Violin Concerto No. 1
Symphony No. 2 in C Minor, Op. 25: I. Allegro pesante
Symfonický orchester Slovenského rozhlasu
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Symphony No. 3 in B Minor, Op. 42, "Il'ya Muromets": I. Wandering Pilgrims. Il'ya Muromets and Svyatogor
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Symphony No. 2 in C Minor, Op. 25: II. Allegro giocoso
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Symphony No. 3 in B Minor, Op. 42, "Il'ya Muromets": III. With Vladimir Fair Sun
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Respighi: Church Windows, P. 150 & Poema autunnale, P. 146
Copland: An Outdoor Overture, Appalachian Spring & 8 Poems of Emily Dickinson
Gliere: Symphony No. 2 / The Zaporozhy Cossacks
Tchaikovsky: Violin Concerto in D Major / Serenade Melancolique / Souvenir D'Un Lieu Cher
Ballads of La Salle County, Illinois - The Story of Ottawa, Illinois
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Pelléas et Mélisande Suite, Op. 80: III. Sicilienne
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Antiche danze ed arie per liuto (Ancient Airs and Dances), Suite No. 3, P. 172: I. Italiana: Andantino
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Violin Concerto in D Major, Op. 61: II. Larghetto
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String Quartet No. 1 in D Major, Op. 11: II. Andante cantabile
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Much Ado about Nothing Suite, Op. 11: IV. Intermezzo (Garden Scene)
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Thais, Act II: Meditation (version for violin and piano)
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Classical Chill 2 - The Romantic Collection
Salut d'amour, Op. 12 (version for orchestra)
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3 Gymnopedies: No. 1. Lent et douloureux (arr. for orchestra)
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Saint-Saens: Symphony No. 3 / Piano Concerto No. 2
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