Complex sentence: Her works for keyboard, which she composed for her personal performances, are virtuosic-her surviving musical works include a concerto for keyboard, three keyboard sonatas (some with violin accompaniment), and a duo for piano.
Split into simpler sentences: Her works for keyboard, which she composed for her personal performances, are virtuosic. Her surviving musical works include a concerto for keyboard, three keyboard sonatas (some with violin accompaniment), and a duo for piano.