Listen to Invention No. 8 in F major: BWV 779 online. Invention No. 8 in F major: BWV 779 is an English language song and is sung by DigiClassics, Study Music Academy and Classical Music Universe. Invention No. 8 in F major: BWV 779, from the album Rafmagns Tröll (Undarlegt blanda af raftónlist), was released in the year 2016. The duration of the song is 1:33. Download English songs online from JioSaavn.