Listen to Six 3-Part Inventions (Sinfonias) - Sinfonia No14 in B Flat Major, BWV 800 online. Six 3-Part Inventions (Sinfonias) - Sinfonia No14 in B Flat Major, BWV 800 is an English language song and is sung by Benjamin Pierce. Six 3-Part Inventions (Sinfonias) - Sinfonia No14 in B Flat Major, BWV 800, from the album Pierce Plays Bach, was released in the year 2009. The duration of the song is 1:00. Download English songs online from JioSaavn.