Ezio Domenico Flagello (January 28, 1931 – March 19, 2009) was an Italian American opera singer who sang at the Metropolitan Opera from 1957 to 1984. He was a bass singer particularly associated with
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 0x45c42b448cd8424683f88dbba1fed5ee132276ec5a8d79f01d15761e6da58780. Chain 2 (Bitcoin): anchored in block 953803 (2026-06-15T15:41:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e61648d6-d477-464f-bc8f-01a52c1ebe1a.json and https://artists.proofprofile.net/proofs/artist/e61648d6-d477-464f-bc8f-01a52c1ebe1a.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
Concerto in C Major for Flute, Harp and Orchestra, K. 299: II. Andantino
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 0x4c0b764111929fdf3ae96e92d6aaee6d12bc068b39d4af565a5cbe8eeef86b39. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USBC17800001 — a six-check JSON result.
Piano Sonata in B-Flat Major, K. 333: II. Andante cantabile
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Violin Concerto No. 3 in G Major, K. 216: II. Adagio
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Andante in C for Flute and Orchestra, K. 315
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Clarinet Concerto in A Major, KV 622: Adagio
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Piano Concerto No. 21 in C Major, K. 467: II. Andante
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Luisa Miller: Lo vidi, e' l primo palpito
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Luisa Miller: A brani, a brani, o perfido
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Die Meistersinger von Nürnberg, Act 1: Vorspiel
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Les Contes d'Hoffmann / Act 1: Les oiseaux dans la charmille
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x166aab99f77b95076897de6225fafe5b638894a554ff1ef0f0c56bbe0aa27461. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079340301 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc489f7211e34fd700eea8471ecd709fad52c37c20dd94c856323840fe5c190bf. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076311532 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdf4a1bc36cc9a709c517501bc07c40bf00455089c393aafccfe0278c2903a8b4. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF076340608 — a six-check JSON result.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814dbf70efa753ee5fceae16c1dc7cfdde1705a559c6b5386e4503e0d87d14e5. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBF079340313 — a six-check JSON result.
Concerto for Coloratura and Orchestra, Op. 82: 1. Andante
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Concerto for Coloratura and Orchestra, Op. 82: 2. Allegro
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Die Zauberflöte, K.620 / Act 2: "Der Hölle Rache kocht in meinem Herzen"
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I Puritani / Act 1: "Son vergin vezzosa"
Orchestra del Maggio Musicale Fiorentino
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Bellini: I Capuleti e i Montecchi (Live)
Mozart: Don Giovanni, K. 527 (Recorded 1959)
Serenade in G Major, K. 525 "Eine kleine Nachtmusik": 1. Allegro
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Don Giovanni, K.527 / Act 1: "Là ci darem la mano"
Orchestra Of The National Theatre Prague
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Piano Concerto No. 21 in C Major, K. 467: II. Andante "Elvira Madigan"
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Piano Sonata No. 11 in A Major, K. 331: III. Alla Turca (Allegretto)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x363a1d9cb6a356cf559a000e0719daa1ab05057b04a4cd04d6785ce61d73d71b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF057130003 — a six-check JSON result.
Symphony No. 40 in G minor, K.550 - (2nd version): 1. Molto Allegro
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Serenade in B-Flat Major, K. 361 "Gran Partita": III. Adagio
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Die Zauberflöte, K. 620, Act II: No. 14, Der Hölle Rache "Queen of the Night Aria"
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Clarinet Concerto in A Major, K. 622: II. Adagio (Cadenza: Neidich)
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Horn Concerto No. 4 in E-Flat Major, K. 495: III. Rondo. Allegro vivace
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Vesperae solennes de Confessore, K. 339: V. Laudate Dominum
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Symphony No. 35 in D Major, K. 385 "Haffner": IV. Finale. Presto
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Violin Concerto No. 3 in G Major, K. 216: II. Adagio (Cadenza: Levin)
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Divertimento in D Major, K. 334 (Orch. Perf.): III. Menuetto – Trio - Recorded 1987
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Piano Sonata No. 16 in C Major, K. 545 "Sonata facile": I. Allegro
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Exsultate, jubilate, K. 165: IV. Alleluja. Allegro
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Adagio for Violin and Orchestra in E, K. 261: Adagio
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Samson, HWV 57: Symfony - Andante - Allegro - Allegro - Menuet
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Samson HWV 57 / Act 1: Chorus: "Awake the trumpet's lofty sound!"
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Samson HWV 57 / Act 1: Air: "Loud as the thunder's awful voice"
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x663f61bcd613f2619fd21247360ae148a31ea9e43107ca66c32c546be683c40b. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEF056830924 — a six-check JSON result.
Samson HWV 57 / Act 1: Chorus: "Then round about the starry throne"
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Anna Moffo - The Complete RCA Recital Albums
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Vespri Siciliani, Act V: "Mercè, dilette amiche"
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Ernani, Act I: "Surta è la notte..Ernani, Ernani, involami"
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Lover, Come Back to Me from "The New Moon"
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Aida, Act III: "Qui Radamès verrà...O patria mia"
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Carmen: Si, des contrebandiers...je dis que rien ne m'épouvante
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Ah! Sweet Mistery of Life from "Naughty Marietta"
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Otello, Act IV: "Emilia, te ne prego..Piangea cantando"
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Yours is my Heart Alone from "The Land of Smiles"
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Simon Boccanegra, Act I: "Come in quest'ora bruna"
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La Stupenda - The Supreme Joan Sutherland
Attila / Prologue: Santo di patria..allor che i forti corrono
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Lakmé / Act 1: Viens, Mallika, ... Dôme épais
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Les contes d'Hoffmann / Act 2: Les oiseaux dans la charmille
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Die Zauberflöte, K.620 / Act 1: "O zittre nicht"
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Linda di Chamounix / Act 1: "Ah! tardai troppo... O luce di quest'anima"
Orchestre De La Société Des Concerts Du Conservatoire
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La fille du régiment / Act 2: Pour ce contrat fatal...Salut à la France
Chorus of the Royal Opera House, Covent Garden
Orchestra of the Royal Opera House, Covent Garden
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La traviata / Act 1: "Un dì felice, eterea"
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The Bohemian Girl / Act 2: "I Dreamt I Dwelt In Marble Halls"
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Tristan und Isolde, WWV 90 / Act 3: "Mild und leise wie er lächelt" (Isoldes Liebestod)
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La Sonnambula / Act 2: Ah! non giunge uman pensiero
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Je n'aime Pas l'opéra mais ça j'aime bien
La Traviata: Act I: Libiamo ne' lieti calici
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Madama Butterfly: Act II: Un bel di vedremo
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Romeo et Juliette: Je veux vivre dans le rêve
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Le nozze di Figaro, K. 492: Act III: E Susanna non vien!; Dove sono
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Pique dame, Op. 68, TH 10: Act II: Scene 1: Yeletsky's Aria
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Les contes d'Hoffmann: Act II: Barcarolle: Belle nuit
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Samson et Dalila, Op. 47: Mon coeur s'ouvre à ta voix
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L'elisir d'amore: Act II: Una furtiva lagrima
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Cherubin: Lorsque vous n'aurez rien à faire
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Lakmé, Act 1: Dôme épais le jasmin "Flower Duet"
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The Rite of Spring (1913 Version): Adoration of the Earth, Part I: Introduction
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The Soldier's Tale (Excerpts): The Soldier's March - 2017 Remastered Version
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The Rite of Spring (1913 Version): Adoration of the Earth, Part I: The Augurs of Spring - Dances of the Young Girls
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The Rite of Spring (1913 Version): Adoration of the Earth, Part I: Game of Abduction
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The Rite of Spring (1913 Version): Adoration of the Earth, Part I: Spring Round Dances
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The Rite of Spring (1913 Version): Adoration of the Earth, Part. I: Procession of the Oldest-and-Wisest
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The Rite of Spring (1913 Version): Adoration of the Earth, Part. I: Dance of the Earth
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The Rite of Spring (1913 Version): The Sacrifice, Part II: Introduction
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Pulcinella Suite for Chamber Orchestra - Music after Pergolesi: IV. Tarantella - 2017 Remastered Version
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The Rite of Spring (1913 Version): The Sacrifice, Part II: Mystical Circles of the Young Girls
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The Firebird Suite (1919 Version): Introduction - 2017 Remastered Version
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The Firebird Suite (1919 Version): Variation of the Firebird - 2017 Remastered Version
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The Firebird Suite (1919 Version): The Princesses' Round - 2017 Remastered Version
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The Firebird Suite (1919 Version): Infernal Dance of King Kashchei - 2017 Remastered Version
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The Firebird Suite (1919 Version): Lullaby - 2017 Remastered Version
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The Firebird Suite (1919 Version): Finale - 2017 Remastered Version
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"Un bel dì, vedremo" from Madama Butterfly
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Richard Tucker: The Song and Cantorial Album Collection
Das Land des Lächelns: "Yours Is My Heart Alone"
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Piano Concerto No.23 in A Major, K. 488: II. Adagio
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Concerto No. 21 in C Major, K. 467: Andante
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Die Zauberflöte, K. 620: In diesen heil'gen Hallen
Württembergisches Kammerorchester Heilbronn
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Williams: Serenade to Music - Mahler: Symphony No. 8
Serenade to Music (From "The Merchant of Venice, Act V, Scene 1"): Andante sostenuto
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Oedipus Rex: Prologue: "Your Are About to Hear a Latin Version of Oedipus the King
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Oedipus Rex: Act I: "Liberi vos liberabo"
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Oedipus Rex: Act I:" Oedipus Questions the Fountain of Truth
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Oedipus Rex: Act II: The Dispute of the Princess Attracts the Attention of Jocasta
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Oedipus Rex: Act II: "Nonn'erubescite, reges"
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Oedipus Rex: Act II: "Ne Probentur Oracula"
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Oedipus Rex: Act II "Adest omniscius pastor"
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Oedipus Rex: Act II: "Ecce! Regem Oedipoda"
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Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": I. Allegro
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Symphony No. 40 in G Minor, KV 550: I. Allegro
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Vesperae solennes de confessore, K. 339: Laudate Dominum
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Sonata in A Major, K. 331: Rondo alla turca (Turkish March)
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Così fan tutte, K. 588: Act I: Scene 6: Soave sia il vento
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Piano Concerto No. 20 in D minor, K. 466: Rondo: Allegro assai
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Symphony No. 41, K.551 in C ("Jupiter"): Molto allegro
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Piano Concerto No. 21 in C major, K. 467, "Elvira Madigan": Andante
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Serenade No. 13 in G Major, K. 525, "Eine kleine Nachtmusik": IV.Rondo. Allegro
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Leonard Bernstein - The Harvard Lectures
Vol. I - Musical Phonology: First of All
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Beatrice di Tenda / Act 1: Tu, signor! lasciar sì presto
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Beatrice di Tenda / Act 1: Il mio dolore e l'ira
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Beatrice di Tenda / Act 1: Ah! non pensar che pieno
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Beatrice di Tenda / Act 1: Parti ... Deh! perdona ... Fuggi ... parti
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Beatrice di Tenda / Act 2: Ah! se un'urna è a me concessa
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Beatrice di Tenda / Act 1: Silenzio e notte intorno
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Beatrice di Tenda / Act 1: Sì: rivale ... rivale regnante
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Beatrice di Tenda / Act 1: Respiro io qui
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Beatrice di Tenda / Act 2: O troppo a mie preghiere
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Beatrice di Tenda / Act 1: Ma la sola, ahimè! son io
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Beatrice di Tenda / Act 1: Ah! la pena in lor piombò
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Beatrice di Tenda / Act 2: Al tuo fallo ammenda festi generosa
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Beatrice di Tenda / Act 1: Vedi? ... La tua presenza fugge sdegnosa
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Beatrice di Tenda / Act 1: E quali? quali? spergiura! ingrata!
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Beatrice di Tenda / Act 1: Qui di ribelli sudditi
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Beethoven: Missa solemnis in D Major, Op. 123 (Live)
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Alcina / Act 1: Questo è il cielo de' contenti
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Alcina / Act 1: Chi m'insegna il caro padre
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Verdi: Ernani - Shippers (Restored 2024)
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Ezio Flagello sings the Music of Nicolas Flagello
The Lord's Prayer (Live On The Ed Sullivan Show, June 6, 1954)
Mahler: Symphony No. 2 in C minor "Resurrection"
Symphony No. 2 in C Minor "Resurrection": II. Andante moderato
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Symphony No. 2 in C Minor "Resurrection": Langsam. Misterioso
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La forza del destino: Pace, pace, mio Dio
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Verdi: Luisa Miller (Metropolitan Opera)
Anna Moffo sings Selected Arias from her RCA Opera Recordings
Così fan tutte, K. 588: Act I Scene 11 - Come scoglio immoto resta contra i venti
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Mozart: Così fan tutte, K. 588 (Remastered)
Così fan tutte, K. 588: Act I Scene 6 - Soave sia il vento
Mozart: Cosi fan tutte - The Sony Opera House
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Rigoletto: Act I: Quel vecchio maledivami! (Rigoletto)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4ce8f15a88c211353ae9b09696f96bf13aa0d98cbebe491d003d5ee04c6aa07. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCC51101699 — a six-check JSON result.
Rigoletto: Act IV: E l'a il vostr'uomo (Sparafucile)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87bd23e6f349e312ec5ffba55515ab30e09a42da506bfeeff9992c44ee0b33d1. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ITCC51101719 — a six-check JSON result.