Listen to Six 3-Part Inventions (Sinfonias) - Sinfonia No13 in A Minor, BWV 799 online. Six 3-Part Inventions (Sinfonias) - Sinfonia No13 in A Minor, BWV 799 is an English language song and is sung by Benjamin Pierce. Six 3-Part Inventions (Sinfonias) - Sinfonia No13 in A Minor, BWV 799, from the album Pierce Plays Bach, was released in the year 2009. The duration of the song is 1:05. Download English songs online from JioSaavn.