PIANOSONATAS
Piano sonatas
Pierre Boulez has composed three piano sonatas. The First Piano Sonata in 1946, a Second Piano Sonata in 1948, and a Third Piano Sonata was composed in 1955–57 with further elaborations up to at least 1963, though only two of its movements have been published.The above text is a snippet from Wikipedia: Piano sonatas (Boulez)
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