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Alban Berg / Pierre Boulez - Claude Helffer – 2ème Sonate Pour Piano / Sonate Pour Piano Op. 1 (1970, Vinyl) - Discogs
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Explore the Score | Pierre Boulez: Notations | History and context | Composing within narrow confines
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Pierre Boulez – Piano Sonata No. 1; Piano Sonata No. 3: Trope, Constellation (Columbia Masterworks) — Jacaranda Music
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Piano Sonata 3, Formant2,Trope By Pierre Boulez (1925-2016) - Sheet Music For Piano - Buy Print Music PR.UE013292 | Sheet Music Plus
Boulez : Piano Sonata No.1 : I Lent - song and lyrics by Pierre Boulez, Pierre-Laurent Aimard | Spotify
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