Listen to Symphony No. 42 in F Major, K. 75: IV. Allegro online. Symphony No. 42 in F Major, K. 75: IV. Allegro is an Instrumental language song and is sung by Saulius Sondeckis and Lithuanian Chamber Orchestra. Symphony No. 42 in F Major, K. 75: IV. Allegro, from the album Mozart: Symphonies Nos. 55, 42, 47, in F Major & 16, was released in the year 2006. The duration of the song is 2:37. Download Instrumental songs online from JioSaavn.