Listen to Bartók: Piano Sonata, Sz. 80: I. Allegro moderato online. Bartók: Piano Sonata, Sz. 80: I. Allegro moderato is an English language song and is sung by Martha Argerich. Bartók: Piano Sonata, Sz. 80: I. Allegro moderato, from the album Martha Argerich - The Warner Classics Recordings, was released in the year 2016. The duration of the song is 4:17. Download English songs online from JioSaavn.