Listen to J.S. Bach: Die Kunst der Fuge, BWV 1080: Contrapunctus XII a 4 inversus (Performed by String Quartet) online. J.S. Bach: Die Kunst der Fuge, BWV 1080: Contrapunctus XII a 4 inversus (Performed by String Quartet) is an Unknown language song and is sung by Emerson String Quartet. J.S. Bach: Die Kunst der Fuge, BWV 1080: Contrapunctus XII a 4 inversus (Performed by String Quartet), from the album Bach: Music for Focus, was released in the year 2021. The duration of the song is 1:53. Download Unknown songs online from JioSaavn.