Listen to Saxophone Quartet: I. Allegro non troppo online. Saxophone Quartet: I. Allegro non troppo is an English language song and is sung by Kenari Quartet. Saxophone Quartet: I. Allegro non troppo, from the album French Saxophone Quartets, was released in the year 2016. The duration of the song is 5:12. Download English songs online from JioSaavn.