Listen to Concerto for Clarinet and Piano in A Major, K. 622: I. Allegro online. Concerto for Clarinet and Piano in A Major, K. 622: I. Allegro is an English language song and is sung by Robert Spillman and Bruce Nolan. Concerto for Clarinet and Piano in A Major, K. 622: I. Allegro, from the album Music from Carmel, was released in the year 2015. The duration of the song is 10:29. Download English songs online from JioSaavn.