Listen to Symphony No. 40 in G Minor, K. 550: I. Molto allegro online. Symphony No. 40 in G Minor, K. 550: I. Molto allegro is an English language song and is sung by Ernest Bour and Südwestfunk Symphony Orchestra Baden-Baden. Symphony No. 40 in G Minor, K. 550: I. Molto allegro, from the album Essential Mozart, was released in the year 2017. The duration of the song is 7:55. Download English songs online from JioSaavn.