Listen to Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio (Excerpt) online. Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio (Excerpt) is an Unknown language song and is sung by Harold Wright, Boston Symphony Orchestra and Seiji Ozawa. Mozart: Clarinet Concerto in A Major, K. 622: II. Adagio (Excerpt), from the album A Very Quick Guide to Mozart Vol. 2, was released in the year 2023. The duration of the song is 1:34. Download Unknown songs online from JioSaavn.