Dario Castello (Venice, bapt. 19 October 1602 - Venice 2 July 1631) Rodolfo Baroncini, "Dario Castello e la formazione del musico a Venezia: nuovi documenti e nuove prospettive", Recercare, 29 (2017),
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 0x32df88d3a01181098dc158e4145a22fa3ba552b2ab45e2ce910799849a346277. Chain 2 (Bitcoin): anchored in block 953778 (2026-06-15T11:57:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a32e63b6-c513-4822-93c2-a9bac8c78da0.json and https://artists.proofprofile.net/proofs/artist/a32e63b6-c513-4822-93c2-a9bac8c78da0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sackbutt: Trombone in the 17th and 18th Century
Trombone Concerto in B-Flat Major: I. Allegro 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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c87410f7c644bf080ad5d2af47d79b6dfc59ea187261cdab788f30cb2c53509. 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/NLA460910010.
Trombone Concerto in B-Flat Major: II. Andante
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Trombone Concerto in B-Flat Major: III. Finale. Allegro moderato
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Sonate concertate in stil moderno, libro 1: Sonata No. 4 a doi sopran e trombon overo violeta. Alegra - Presto - Adagio - Alegro
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Trombone Concerto in E-Flat Major: I. Con discretione. Quasi andante
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82159941476c1ce34bbdb9f4ed52bbdf34d6c48dc58c0440d48620f229c64e07. 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/GBBBA1800638.
Solomon HWV 67 / Act 3: The Arrival of the Queen of Sheba (Arr. Recorders & Orchestra)
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Oboe Concerto in D Minor, BWV 1059R: 1. Allegro (Performed on Recorder)
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Oboe Concerto in D Minor, BWV 1059R: 2. Adagio (Performed on Recorder)
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Oboe Concerto in D Minor, BWV 1059R: 3. Presto (Performed on Recorder)
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Matthäus-Passion, BWV 244 / Zweiter Teil: 39. "Erbarme dich" (Performed on Recorder)
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Orchestral Suite No. 2 in B Minor, BWV 1067: 7. Badinerie (Performed on Recorder)
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Sonate concertate in stil moderno à 2 e 3 voci, Libro primo: Sonata seconda (Arr. Recorder & Lute)
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Recorder Concerto in F Major: 1. Allegro
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Recorder Concerto in F Major: 2. Siciliano
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Recorder Concerto in F Major: 3. Allegro assai
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Couplets de folies (Arr. Horsch for Recorder & Lute)
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Pièces de clavecin - Troisième livre / 14e ordre: Le rossignol-en-amour (Arr. Recorder & Lute)
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Recorder Concerto in C Major, Op. 17, No. 1: 3. Légèrement
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd1a8b499172d7a482163c5afeb6346dedcc644237ac04fe4b08c2472e4c369f. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBBBA1800653.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9af7f83b3bd670f768568c9c6a3ee13b451b084c84a52ee90d65eae63cbd1950. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/GBBBA1800654.
Dido and Aeneas, Z. 626 / Act 3: "When I am laid in earth" (Dido's Lament) (Performed on Recorder)
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Castello: Sonate concertate in stil moderno, Vol. 1
Salve Regina: Sacred Music by Monteverdi & His Venetian Followers
Partite sopra diverse sonate: Passa Galli
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Flute Concerto in F Major, RV 433, Op. 10 No. 1, "La Tempesta di Mare": II. Largo
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Schiarazula Marazula (from ll primo libro de balli accomodati per cantar et sonar d'ogni sorte de instromenti)
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La Lavandara Gagliarda (ll primo libro de balli accomodati per cantar et sonar d'ogni sorte de instromenti)
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe92f18e2afdf2fcaab58a170ddb722af64d16d91a7b2f490981258c0ef04bebe. 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/DEE471100487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37c384f98753cfa09730a7b37a9f19356162ab88c451dc2062e448a08ed7b079. 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/DEE471100488.
Concerto in E minor per Flautino, RV 445: I. Allegro
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Flute Music of the 16th & 17th Centuries
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x954a92cbfb9e2f8c08323a7db1f6571b1a1e4b29fb286d13e6e13bcc071ec740. 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/GBAJY8929802.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdee68b6d79b5e1d76c37fc19a4a1ee300d4a65a60225fb76f9353e0964ee117. 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/GBAJY8929805.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa277f091d45902c8979a80e4f77902bdb5bcede952eceb8d5815d21f96f76edc. 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/GBAJY8929807.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07d7867e12ab0efca60a391b76f908e89fc0a89241fe8931ab1a46a0fa15e396. 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/GBAJY8929808.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6284e0c92988fbfeb89d71d17219df2d02b9e22de937c485f6990e1074f03a07. 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/GBAJY8929809.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbee6e075c8cc7efed83a8d57bb45337d1d236ed6b20a3a411d0fb859aaf9b6a6. 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/GBAJY8929816.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa06a4ba6cd1c5f2472b82ba462f609e0c599b2dbe60c78854235e78a0cf26376. 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/GBAJY8929817.
Madrigals, Book I: Ch'ami la mia vita nel tuo bel nome
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Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabd572477bb254bad8e338327dddc2127597a1db59072cbd9a585e3fda71d0eb. 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/FRZ132304050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc204d43a201163516844fd42c3b0a85337059d181529c2e49c3391ba2e32137c. 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/FRZ132304070.
Madrigals, Book IX: Zefiro torna e di soavi accenti
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Dario Castello: Sonate Concertate in Stil Moderno, Venice 1621 - 1629
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Sonata for Recorder and Continuo in C Major, TWV 41:C5: I. Adagio - Allegro - Adagio - Allegro
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Sonata for Violoncello and Continuo in A Minor, RV 43: II. Largo
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Sonata for Violoncello and Continuo in A Minor, RV 43: IV. Allegro
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The Floating City: Sonatas, Canzonas & Dances by Contemporaries of Monteverdi
His Majestys Sagbutts & Cornetts Grand Tour: Italy, Spain & Germany in the 16th and 17th Centuries
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The Age of Extravagance: VIrtuoso Iberian & Italian Cornett Music
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The Collected Recordings of Il Giardino Armonico
Monteverdi : Il ritorno d'Ulisse in Patria : I Sinfonia
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Sarri : Concerto for Recorder, 2 Violins & Viola in A minor : IV Spiritoso
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Scarlatti, D: Mandolin Sonata in D Minor, Kk. 90: I. Grave
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Scarlatti, D: Mandolin Sonata in D Minor, Kk. 90: II. Allegro
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Durante : Concerto for 2 Violins & Viola in G minor : I Affettuoso
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Durante : Concerto for 2 Violins & Viola in G minor : II Presto
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Scarlatti, A: Sonata for Recorder and Strings No. 2 in A Minor: I. Allegro
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Scarlatti, A: Sonata for Recorder and Strings No. 2 in A Minor: V. Allegro
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Mancini : Sonata for Recorder & 2 Violins in D minor : I Amoroso
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Mancini : Sonata for Recorder & 2 Violins in D minor : III Largo
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Mancini : Sonata for Recorder & 2 Violins in D minor : IV Allegro
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Corelli: Concerto grosso in G Minor, Op. 6 No. 8 "Fatto per la notte di Natale": I. Vivace - Grave
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Corelli: Concerto grosso in G Minor, Op. 6 No. 8 "Fatto per la notte di Natale": III. Adagio - Allegro - Adagio
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Corelli: Concerto grosso in G Minor, Op. 6 No. 8, 'Fatto per la notte di Natale': IV. Vivace
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Corelli: Concerto grosso in G Minor, Op. 6 No. 8, 'Fatto per la notte di Natale': VI. Pastorale
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Concerti Ecclesiastici: No. 49, Sonata à 3
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Il quarto libro de varie sonate, sinfonie, gagliarde, corrente, e brandi: Sonata No. 8 sopra La Romanesca
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Sonate concertate in stil moderno, Book 2: No. 10, Sonata à 3
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Canzoni overo sonate concertate per chiesa e camera, Book 3, Op. 12: No. 20, Chiaccona
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Sonate, correnti et arie, Op. 4: Sonata No. 26 "La Prosperina"
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Folias echa para mi Señora Doña Tarolilla de Carallenos
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Correnti e balletti, Op. 4: No. 33, Ciaconna
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16 Sonatas, Op. 8: No. 8, Sonata à 3 "La boiarda"
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Varie partite del passemezo, ciaccona, capricii, e passagalii, Op. 7: Ciaccona
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Recorder Quartet: Early Italian Recorder Music & English Consort Music
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Little Consort, Suite No. 3 in D Minor: III. Courante
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Italian Music of the Seventeenth Century
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Folias echa para mi Señora Doña Tarolilla de Carallenos : Il primo libro di canzone, sinfonie, fantasie
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Sonate, arie et correnti, Op. 3: No. 5, La Bergamasca
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Baroque: Musique instrumentale baroque (Baroque Instrumental Music)
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Trio Sonata in A Minor, RV 86: IV. Allegro molto
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What Artemisia Heard: Music and Art from the Time of Caravaggio & Gentileschi
Sonata seconda for Recorder in C, Gamba & Luth
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Solo in G Major for Alto Recorder & Basso Continuo: III. Adagio - Allegro - Adagio
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Perla Barocca: Early Italian Masterpieces
Sonate, correnti et arie, Op. 4: Sonata overo Toccata V a violino solo detta la Laura rilucente
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Sonate concertate in stil moderno, libro 2: Sonata No. 2. Alegra - Adagio - Alegro - Adagio
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Sonate, symphonie, canzoni, passe'mezzi, baletti, corenti, gagliarde e retornelli, Op. 8: No. 59. Sonata IV per sonar con due corde
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Violin Sonata in D Minor, Op. 4 No. 6 "La vinciolina"
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Dario Castello: 6 Sonate Concertanti in Stile Moderno, libro primo (Venezia 1621)
Dario Castello: Sonate concertate, Primo libro (Arr. for Guitar)
Dario Castello: Sonate Concertate in stil moderno, libro primo
Sinfonia Antica: Agricola, Palestrina, Isaac, Cima
Castello: Sonate concertate in stil moderno, libro secondo
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Castello: Sonata Duodecima a 3 In A Minor
Castello: Sonate concertate (L'arte di Fabio Biondi, Vol. 4)
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Serpent & Fire: Arias for Dido & Cleopatra
The Fairy Queen, Z. 629: Chaconne "Dance for the Chinese Man and Woman"
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Dido, Königin von Karthago: Recitativo accompagnato "Der Himmel..."
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Dido, Königin von Karthago: Aria "Infido cupido"
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Marc'Antonio e Cleopatra: Aria "Morte col fiero aspetto"
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Dido and Aeneas, Z. 626, Act III: "Thy Hand, Belinda...When I Am Laid in Earth"
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