His repertoire included Bach , Mozart , Chopin , Schumann , Liszt and Brahms .
Kempff was particularly well known for his interpretations of the music of Ludwig van Beethoven and Franz Schubert , recording the complete sonatas of both composers .
Although his repertoire included Bach , Mozart , Chopin , Schumann , Liszt and Brahms , Kempff was particularly well known for his interpretations of the music of Ludwig van Beethoven and Franz Schubert , recording the complete sonatas of both composers .