February 6, 1903, Chillán, Chile – June 9, 1991, Mürzzuschlag, Austria
Claudio Arrau León was a Chilean pianist known for his interpretations of a vast repertoire spanning from the baroque to 20th-century composers, especially Beethoven, Schubert, Chopin, Schumann, Liszt and Brahms. He is widely considered one of the greatest pianists of the twentieth century.
Piano Sonata No. 23 in F minor „Appassionata” Op. 57