right|thumb|Martinpelto performs at the 2005 Polar Music Prize ceremony. Hillevi Martinpelto (born 9 January 1958 in Älvdalen) is a Swedish lyric soprano. She made her debut in Madama Butterfly by Gi
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 0xcaa9099138e2f9d65d88a355f332d1f3ef4110dbb24982e92328f088b63fb751. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/54f71b19-a592-42cb-b88d-900331b309c4.json and https://artists.proofprofile.net/proofs/artist/54f71b19-a592-42cb-b88d-900331b309c4.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Mass in B Minor, BWV 232, Pt. 1: III. Chorus. Kyrie eleison (A 4)
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 0x8d6774937cc1c86be309e081a8f973bb0814fe7f01d44c7adb1b9ec254bc278b. 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/NLY331502829.
Mass in B Minor, BWV 232, Pt. 2: I. Chorus. Credo in unum Deum (A 5)
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Mass in B Minor BWV 232, Pt. 2: II. Chorus. Patrem omnipotentem (A 4)
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Io son l'umile ancella del Genio creator
Adriana Lecouvreur, Act I: Io son l'umile ancella
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Ch'io mi scordi di te … Non temer, amato bene, K. 505
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Chi sa qual sia (Who knows what feeling), K. 582
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Der Rosenkavalier, Op. 59, TrV 227, Act I: Da geht er hin
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Tannhauser, Act III: Allmacht'ge Jungfrau! Hor mein Flehen!
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Der Freischutz, J. 277: Act III: Cavatina: Und ob die Wolke sie verhulle
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Der Freischutz, J. 277: Act II: Wie nahte mir der Schlummer
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La Wally, Act I: Ebben? Ne andro lontana
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La clemenza di Tito, K.621 / Act 1: "Ma che? sempre l'istesso"
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La clemenza di Tito, K.621 / Act 2: "Torna di Tito a lato"
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La clemenza di Tito, K.621 / Act 1: "Deh se piacer mi vuol" - "Chi ciecamente crede"
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La clemenza di Tito, K.621 / Act 1: "Deh prendi un dolce amplesso"
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La clemenza di Tito, K.621 / Act 2: "Non più di fiori"
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Wolfgang Amadeus Mozart: Schatten ung licht: Chapter 2: Salzburgs Glanz und Wolfgangs Gloria (1765-1769)
Südwestdeutsches Kammerorchester Pforzheim
Carl Philipp Emanuel Bach Chamber Orchestra
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12 Audiobiographies of Great Composers By Jörg Handstein (in German)
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Brandenburg Concerto No. 3 in G Major, BWV 1048: I. —
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Brandenburg Concerto No. 1 in F Major, BWV 1046: I. —
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Brandenburg Concerto No. 5 in D Major, BWV 1050: I. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: II. Air
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Orchestral Suite No. 2 in B Minor, BWV 1067: IV. Bourrée No. 1 - Bourrée No. 2
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Violin Concerto in E Major, BWV 1042: I. Allegro
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Orchestral Suite No. 3 in D Major, BWV 1068: I. Ouverture
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Violin Concerto in D Minor, BWV 1052: I. — (Reconstructed from the Harpsichord Concerto, BWV 1052)
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Harpsichord Concerto No. 2 in E Major, BWV 1053: II. Siciliano
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Brandenburg Concerto No. 2 in F Major, BWV 1047: I. —
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Partita No. 2 in C Minor, BWV 826: I. Sinfonia
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Concerto for Harpsichord No. 6 in F Major, BWV 1057: III. Allegro assai
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Brandenburg Concerto No. 4 in G Major, BWV 1049: II. Andante
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Violin Partita No. 3 in E Major, BWV 1006: I. Preludio
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Brandenburg Concerto No. 6 in B-Flat Major, BWV 1051: II. Adagio ma non tanto
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Orchestral Suite No. 2 in B Minor, BWV 1067: VII. Badinerie
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Flute Sonata in E Major, BWV 1035: III. Siciliana
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Harpsichord Concerto No. 4 in A Major, BWV 1055: II. Larghetto
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Matthäus-Passion, BWV 244, Pt. 1: I. Chorus. Kommt, ihr Töchter, helft mir klagen
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Mass in B Minor, BWV 232, Pt. 2: III. Duet. Et in unum dominum (Soprano, Alto)
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Das wohltemperierte Klavier I, Prelude and Fugue No. 1 in C Major, BWV 845: I. Prelude
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Goldberg Variations in G Major, BWV 988: I. Aria
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Jesu, nun sei gepreiset, BWV 41: I. Coro. Jesu, nun sei gepreiset
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Ein' feste Burg ist unser Gott, BWV 80: I. Coro. Ein' Feste Burg ist unser Gott
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Matthäus-Passion, BWV 244, Pt. 2: XXXIX. Chorus. Wir setzen uns mit Tränen nieder
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Herz und Mund und Tat und Leben, BWV 147, Pt. 1: I. Coro. Herz und Mund und Tat und Leben (Coro)
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Mass in B Minor, BWV 232, Pt. 1: II. Duet. Christe eleison (Two Sopranos)
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Johannes-Passion, BWV 245, Pt. 1: I. Chorus. Herr, unser Herrscher
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Toccata and Fugue in D Minor, BWV 565: I. Toccata
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Toccata and Fugue in D Minor, BWV 565: II. Fugue
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Orchestral Suite No. 4 in D Major, BWV 1069: I. Ouverture
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Harpsichord Concerto No. 5 in F Minor, BWV 1056: II. Largo
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Violin Partita No. 2 in D Minor, BWV 1004: V. Ciaccona
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Cello Suite No. 1 in G Major, BWV 1007: I. Prelude
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Notenbüchlein für Anna Magdalena Bach: XXIV. Bist du bei mir, BWV 508 (Arr. J.S. Bach)
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Partita No. 1 in B-Flat Major, BWV 825: I. Prelude
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Violin Concerto in A Minor, BWV 1041: II. Andante
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Chromatic Fantasy and Fugue in D Minor, BWV 903: I. Fantasie
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Wie schön leuchtet der Morgenstern, BWV 1: I. Coro. Wie schön leuchtet der Morgenstern
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Herz und Mund und Tat und Leben, BWV 147, Pt. 2: X. Coro. Jesu bleibet meine Freude
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Concerto in D Minor for Two Violins, BWV 1043: II. Largo ma non tanto
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Wachet! Betet! Betet! Wachet!, BWV 70, Pt. 1: I. Coro. Wachet! Betet! Betet! Wachet!
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Mass in B Minor, BWV 232, Pt. 1: VIII. Duet. Domine Deus (Soprano, Tenor)
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Harpsichord Concerto No. 3 in D Major, BWV 1054: II. Adagio e piano sempre
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Matthäus-Passion, BWV 244, Pt. 1: VIII. Aria. Blute nur, du liebes Herz! (Soprano)
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Matthäus-Passion, BWV 244, Pt. 2: XX. Aria. Aus Liebe will mein Heiland sterben (Soprano)
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Italian Concerto in F Major, BWV 971: I. Allegro
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Idomeneo, re di Creta, K.366 / Act 2: "Odo da lunge armonioso suono" - Live
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Idomeneo, re di Creta, K.366 / Act 1: "Vedrommi intorno" - "Cieli!che veggo?" - "Spiagge romite" - Live
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Idomeneo, re di Creta, K.366 / Act 1: Intermezzo: Marcia - Live
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Idomeneo, re di Creta, K.366 / Act 1: "Nettuno s'onori" - Live
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Idomeneo, re di Creta, K.366 / Act 2: "Se il padre perdei" - Live
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Idomeneo, re di Creta, K.366 / Act 1: "Il padre adorato" - Live
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Idomeneo, re di Creta, K.366 / Act 3: "Principessa, a' tuoi sguardi" - "S'io non moro a questi accenti" - "Cieli! che vedo?" - Live
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The Fairy Queen, Z. 629 / Act 4: Symphony
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The Fairy Queen, Z. 629 / Act 1: Rondeau
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The Fairy Queen, Z. 629 / Act 1: Song In Two Parts: "Come, come, come, let us leave"
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The Fairy Queen, Z. 629 / Act 2: Prelude...Come, All Ye Songsters Of The Sky
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The Fairy Queen, Z. 629 / Act 2: Prelude (II)
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The Fairy Queen, Z. 629 / Act 2: Trio: "May the God of Wit inspire"
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The Fairy Queen, Z. 629 / Act 2: A Dance Of Fairies
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The Fairy Queen, Z. 629 / Act 2: "See, even Night herself is here"
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The Fairy Queen, Z. 629 / Act 2: "I am come to lock all fast"
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The Fairy Queen, Z. 629 / Act 2: "One charming night"
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Don Carlo*: Act I: Introduction and Chorus: Su, cacciator! (Hunters)
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Don Carlo*: Act III Scene 1: Introduction: Deh! vieni a me (Elisabeth, Eboli)
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Don Carlo*: Act I: Narrative: Fontainebleau! foresta immensa (Don Carlos)
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Don Carlo*: Act III Scene 1: Chorus: Quanti fior e quante stelle (Masks, Eboli)
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Don Carlo*: Act III Scene 1: Scene: Qual balen! qual mister (Eboli, Don Carlos, Rodrigo)
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Don Carlo*: Act III Scene 1: Ed io che tremava (Eboli, Don Carlos, Rodrigo)
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Don Carlo*: Act III Scene 2: Il di, il di (Monks, People)
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Don Carlo*: Act III Scene 2: Schiusa or sia la porta (The Royal Herald, Lerma, Philip, Elisabeth, Rodrigo, Don Carlos, People)
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Don Carlo*: Act II Scene 1: Scene: Al chiostro di San Giusto (Don Carlos, Old Monk)
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Don Carlo*: Act III Scene 2: Sire, no, l'ora estrema (Flemish deputies, Philip, Elisabeth, Rodrigo, Don Carlos, People)
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Don Carlo*: Act II Scene 2: Chorus: Sotto ai folti (Ladies-in-waiting, Tebaldo, Princess Eboli)
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Don Carlo*: Act IV Scene 1: Scene: Ella giammai m'amo (Philip)
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Don Carlo*: Act II Scene 2: Romance: Carlo, ch'e sol il nostro amore (Rodrigo, Elisabeth, Eboli)
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Don Carlo*: Act IV Scene 1: Duet: Nell'ispano suol (Grand Inquisitor, Philip)
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Don Carlo*: Act II Scene 2: Sotto al mio pie (Don Carlos, Elisabeth)
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Don Carlo*: Act IV Scene 1: Scene: Giustizia, o Sire (Elisabeth, Philip)
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Don Carlo*: Act IV Scene 1: Ardita troppo (Philip, Elisabeth, Eboli, Rodrigo)
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Don Carlo*: Act IV Scene 1: Scene: Pieta! perdon per la rea (Eboli, Elisabeth)
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Don Carlo*: Act II Scene 2: Quest'e la pace che voi date (Rodrigo, Philip)
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Mass in B Minor, BWV 232: Christe eleison
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Mass in B Minor, BWV 232: Et in unum Dominum
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Mass in B Minor, BWV 232: Cum sancti spiritu
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Gloria, HWV deest: Gloria in excelsis Deo
Royal Academy of Music Baroque Orchestra
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Gloria, HWV deest: Quoniam solus sanctus
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Handel: Dixit Dominus / Concerto Grosso in G Minor
Dixit Dominus, HWV 232: Tu es sacerdos (Choir)
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Dixit Dominus, HWV 232: Gloria Patri et Filio, et Spiritui Sancto (Chorus)
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Classical Music for Meditation and Yoga Vol. 2
Johan Helmich Roman – A Musical Portrait
Svenska Massan (Swedish Mass): Ära vare Gud
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Leonore: Leonore Overture No. 2, Op. 72a
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Fidelio, Op. 72, Act I: Aria. O wär ich schon mit dir vereint - Live
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Requiem in D minor, K.626: 1. Introitus: Requiem
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Requiem in D minor, K.626: 3. Sequentia: Dies irae
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Requiem in D minor, K.626: 3. Sequentia: Rex tremendae
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Requiem in D minor, K.626: 3. Sequentia: Recordare
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Requiem in D minor, K.626: 3. Sequentia: Lacrimosa
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Requiem in D minor, K.626: 4. Offertorium: Domine Jesu
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Requiem in D minor, K.626: 4. Offertorium: Hostias
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Requiem in D minor, K.626: 6. Benedictus
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Sonata for Piano and Violin in A, K.12 - for Harpsichord and Violin: 1. Andante
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Sonata for Piano and Violin in C, K.14 - for Harpsichord and Violin: 2. Allegro
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Sonata for Piano and Violin in B flat. K.10 - for Harpsichord and Violin: 2. Andante
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Serenade in G, K.525 "Eine kleine Nachtmusik": 2. Romance (Andante)
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Les petits riens, Ballet, K. 299b: No. 5, Gavotte gracieuse
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String Quartet No. 2 in D Major, K. 155: III. Molto allegro
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String Quartet No. 4 in C Major, K. 157: III. Presto
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Sonata for Keyboard and Violin in A Major, K. 12: I. Andante
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Sonata for Keyboard and Violin in C Major, K. 14: II. Allegro
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Sonata for Keyboard and Violin in B-Flat Major, K. 10: II. Andante
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Sonata for Keyboard and Violin in E Flat Major, K. 26: I. Allegro molto
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Symphony No. 35 in D Major, K. 385 "Haffner": I. Allegro con spirito
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Divertimento for Strings in D Major, K. 136: I. Allegro
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Le nozze di Figaro, K.492 / Act 2: "Tutto è come io lasciai"
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Le nozze di Figaro, K.492 / Act 1: "Se a caso Madama la notte ti chiama"
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Le nozze di Figaro, K.492 / Act 2: Susanna, son morta (Contessa, Susanna, Conte)
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Le nozze di Figaro, K.492 / Act 1: Bravo, Signor padrone! (Figaro)
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Le nozze di Figaro, K.492 / Act 1: "Ed aspettaste il giorno fissato a le sue nozze"
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Le nozze di Figaro, K.492 / Act 1: "La vendetta, oh, la vendetta"
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Le nozze di Figaro, K.492 / Act 1: "Tutto anchor no ho perso"
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Le nozze di Figaro, K.492 / Act 3: "Che imbarazzo è mai questo" - "Via, fatti core"
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Le nozze di Figaro, K.492 / Act 1: "Via resti servita, madama brillante"
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Le nozze di Figaro, K.492 / Act 3: "Crudel! perchè finora" - Live
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Le nozze di Figaro, K.492 / Act 1: "Non so più cosa son, cosa faccio"
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Le nozze di Figaro, K.492 / Act 3: "Vedro mentr'io sospiro"
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Le nozze di Figaro, K.492 / Act 1: Giovani liete, fiori spargete (Coro) (I)
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Le nozze di Figaro, K.492 / Act 1: Cos'è questa commedia? (Conte, Figaro, Susanna)
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Le nozze di Figaro, K.492 / Act 1: "Non più andrai"
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Le nozze di Figaro, K.492 / Act 2: Vieni, cara Susanna (Contessa, Susanna, Cherubino)
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Le nozze di Figaro, K.492 / Act 2: "Aprite, presto, aprite"
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Le nozze di Figaro, K.492 / Act 2: Oh guarda il demonietto! (Susanna)
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Die Zauberflöte, K.620 / Act 2: Ein Mädchen oder Weibchen
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Bach: Die Auferstehung und Himmelfahrt Jesu
Bach, CPE: Die Auferstehung und Himmelfahrt Jesu, Wq. 240, Pt. 1: No. 1, Introduction
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Bach, CPE: Die Auferstehung und Himmelfahrt Jesu, Wq. 240, Pt. 1: No. 3, Rezitativ. "Judäa zittert!"
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Bach, CPE: Die Auferstehung und Himmelfahrt Jesu, Wq. 240, Pt. 1: No. 4, Arie. "Mein Geist, voll Furcht und Freuden"
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Bach, CPE: Die Auferstehung und Himmelfahrt Jesu, Wq. 240, Pt. 1: No. 5, Chor. "Triumph! Des Herrn Gesalbter sieget!"
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Bach, CPE: Die Auferstehung und Himmelfahrt Jesu, Wq. 240, Pt. 2: No. 22, Chor. "Gott fähret auf mit Jauchzen"
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Beethoven 2020 – Works for the Stage 1: Opera
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Hvad glans, behag och smak – Svenskt 1700-tal i musiken / Eighteenth-century Sweden in music
Fredmans epistlar: No. 34. Ach vad för en usel koja
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Dixit Dominus in G Minor, HWV 232: VIII. De torrente in via bibet
The 35 Most Evil Pieces of Classical Music
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