Listen to Piano Sonata No. 15 in D Major, Op. 28 "Pastorale": I. Allegro online. Piano Sonata No. 15 in D Major, Op. 28 "Pastorale": I. Allegro is an English language song and is sung by Mélodie Zhao. Piano Sonata No. 15 in D Major, Op. 28 "Pastorale": I. Allegro, from the album Beethoven: Complete Piano Sonatas, was released in the year 2014. The duration of the song is 10:03. Download English songs online from JioSaavn.