Listen to Six 2-Part Inventions - Invention No14 in B Flat Major, BWV 785 online. Six 2-Part Inventions - Invention No14 in B Flat Major, BWV 785 is an English language song and is sung by Benjamin Pierce. Six 2-Part Inventions - Invention No14 in B Flat Major, BWV 785, from the album Pierce Plays Bach, was released in the year 2009. The duration of the song is 1:35. Download English songs online from JioSaavn.