Listen to Piano Sonata No. 9 in E Major, Op. 14: II. Allegretto online. Piano Sonata No. 9 in E Major, Op. 14: II. Allegretto is an English language song and is sung by Various Artists. Piano Sonata No. 9 in E Major, Op. 14: II. Allegretto, from the album Easy Exam & Instrumental Music – Classical Songs to Study, Effective Study, Clear Mind, Best Music to Study, Mozart, Beethoven, Bach, was released in the year 2016. The duration of the song is 3:10. Download English songs online from JioSaavn.