Listen to Symphony No. 1 in E-Flat Major, K. 16: I. Molto allegro online. Symphony No. 1 in E-Flat Major, K. 16: I. Molto allegro is an English language song and is sung by Northern Chamber Orchestra. Symphony No. 1 in E-Flat Major, K. 16: I. Molto allegro, from the album Mozart: Complete Symphonies, was released in the year 2013. The duration of the song is 6:11. Download English songs online from JioSaavn.