What nationality was the composer who wrote 'The First Piano Sonata in 1946'?
Pierre Boulez Pierre Louis Joseph Boulez CBE (] ; 26 March 1925 – 5 January 2016) was a French composer, conductor, writer and organiser of institutions. He was one of the dominant figures of the post-war classical music world.
Piano Sonata in F major (Sibelius) The Sonata in F major, Op. 12, is a piano sonata in three movements by Jean Sibelius, completed in 1893.