Listen to Five Divertimenti in B-Flat Major, K. 439b - Divertimento No. 3: I. Allegro online. Five Divertimenti in B-Flat Major, K. 439b - Divertimento No. 3: I. Allegro is an English language song and is sung by Saarland Radio Wind Trio. Five Divertimenti in B-Flat Major, K. 439b - Divertimento No. 3: I. Allegro, from the album The Most Essential Classical Music for Your Baby, was released in the year 2008. The duration of the song is 3:27. Download English songs online from JioSaavn.