Listen to Piano Sonata No. 4 in E-Flat Major, Op. 7: III. Allegro online. Piano Sonata No. 4 in E-Flat Major, Op. 7: III. Allegro is an English language song and is sung by Baby Mozart Orchestra and Inner Child Music World. Piano Sonata No. 4 in E-Flat Major, Op. 7: III. Allegro, from the album Classic and Babies – Classical Music for Baby, Mozart, Beethoven to Listening, Music Fun, Brilliant Little Baby, Classical Sounds for Your Child, was released in the year 2016. The duration of the song is 2:39. Download English songs online from JioSaavn.