Listen to Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro online. Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro is an Unknown language song and is sung by London Philharmonic Orchestra and Erich Kleiber. Mozart: Symphony No. 40 in G Minor, K. 550: I. Molto allegro, from the album Quartet: Music by Mozart, was released in the year 2025. The duration of the song is 5:30. Download Unknown songs online from JioSaavn.