Listen to Clarinet Concerto in A Major, K. 622: I. Allegro online. Clarinet Concerto in A Major, K. 622: I. Allegro is an English language song and is sung by José Ostranec, Radio Symphony Orchestra Ljubljana and Samo Hubad. Clarinet Concerto in A Major, K. 622: I. Allegro, from the album The Greatest Classical Collection Ever: 222 All Time Favorite Classics, was released in the year 2013. The duration of the song is 12:00. Download English songs online from JioSaavn.