Listen to Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": III. Allegro online. Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": III. Allegro is an Instrumental language song and is sung by Maria Grinberg. Piano Sonata No. 4 in E-Flat Major, Op. 7 "Grand Sonata": III. Allegro, from the album Beethoven: Piano Sonatas Nos. 4, 5 & 6, was released in the year 2005. The duration of the song is 5:13. Download Instrumental songs online from JioSaavn.