Listen to Quintet for Clarinet and Strings in A Major KV 581: Allegretto con variazioni online. Quintet for Clarinet and Strings in A Major KV 581: Allegretto con variazioni is an English language song and is sung by Various Artists. Quintet for Clarinet and Strings in A Major KV 581: Allegretto con variazioni, from the album Dining with the Masters: Classical Music, was released in the year 2010. The duration of the song is 8:21. Download English songs online from JioSaavn.