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 Südwestfunk Symphony Orchestra Baden-Baden and Ernest Bour. Symphony No. 40 in G Minor, K. 550: I. Molto allegro, from the album Top Classical Hits, was released in the year 2017. The duration of the song is 7:55. Download English songs online from JioSaavn.