Listen to Symphony No. 1 in E-Flat Major, K. 16: I. Allegro molto online. Symphony No. 1 in E-Flat Major, K. 16: I. Allegro molto is an English language song and is sung by Mainz Chamber Orchestra and Günter Kehr. Symphony No. 1 in E-Flat Major, K. 16: I. Allegro molto, from the album The Signature Series: Wolfgang Amadeus Mozart (Masterpieces from the Genius Composer), was released in the year 2014. The duration of the song is 4:35. Download English songs online from JioSaavn.