Listen to Mozart: Symphony No.40 In G Minor, K.550 - 1. Molto allegro online. Mozart: Symphony No.40 In G Minor, K.550 - 1. Molto allegro is an English language song and is sung by Tasmanian Symphony Orchestra and Sebastian Lang-Lessing. Mozart: Symphony No.40 In G Minor, K.550 - 1. Molto allegro, from the album 100 Best – Mozart, was released in the year 2017. The duration of the song is 7:26. Download English songs online from JioSaavn.