Listen to Piano Sonata No. 9 in E Major, Op. 14 No. 1: II. Allegretto online. Piano Sonata No. 9 in E Major, Op. 14 No. 1: II. Allegretto is an English language song and is sung by Mélodie Zhao. Piano Sonata No. 9 in E Major, Op. 14 No. 1: II. Allegretto, from the album Beethoven: Complete Piano Sonatas, was released in the year 2014. The duration of the song is 3:26. Download English songs online from JioSaavn.