Listen to Clarinet Concerto in A Major, K. 622: II. Adagio online. Clarinet Concerto in A Major, K. 622: II. Adagio is an English language song and is sung by Ensemble instrumental Jean-Marie Leclair, Jean-François Paillard and Jacques Lancelot. Clarinet Concerto in A Major, K. 622: II. Adagio, from the album Gentle Classical: Relax & Chill Out Music, was released in the year 2016. The duration of the song is 6:43. Download English songs online from JioSaavn.