Listen to Clarinet Quintet in A Major, K. 581: I. Allegro online. Clarinet Quintet in A Major, K. 581: I. Allegro is an Instrumental language song and is sung by Borodin Quartet. Clarinet Quintet in A Major, K. 581: I. Allegro, from the album Borodin Quartet Performs Chamber Music, Vol. 1, was released in the year 2006. The duration of the song is 6:40. Download Instrumental songs online from JioSaavn.