Listen to Concerto for Clarinet in A Major, K. 622 : Allegro online. Concerto for Clarinet in A Major, K. 622 : Allegro is an English language song and is sung by Pietro Cavaliere and Ljubljana Symphony Orchestra. Concerto for Clarinet in A Major, K. 622 : Allegro, from the album Mozart for the Mind: Music for Studying, Concentration, and Meditation, was released in the year 2012. The duration of the song is 12:12. Download English songs online from JioSaavn.