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 Richard Stoltzman. Clarinet Concerto in A Major, K. 622: II. Adagio, from the album Richard Stoltzman plays Clarinet Concertos, Sonatas and Chamber Music, was released in the year 2012. The duration of the song is 9:25. Download English songs online from JioSaavn.