Listen to II. Allegretto In A-Flat Major online. II. Allegretto In A-Flat Major is an Unknown language song and is sung by Joanna Brzezinska. II. Allegretto In A-Flat Major, from the album Chopin: Piano Pieces for Studying, was released in the year 2015. The duration of the song is 3:53. Download Unknown songs online from JioSaavn.