Listen to Symphony No. 5 in B-Flat Major, K. 22: I. Allegro online. Symphony No. 5 in B-Flat Major, K. 22: I. Allegro is an English language song and is sung by Mainz Chamber Orchestra and Günter Kehr. Symphony No. 5 in B-Flat Major, K. 22: I. Allegro, from the album The Signature Series: Wolfgang Amadeus Mozart (Masterpieces from the Genius Composer), was released in the year 2014. The duration of the song is 2:53. Download English songs online from JioSaavn.