Listen to J.S. Bach: Musical Offering, BWV 1079 - 4c. Canon 3 a 2 per motum contrarium online. J.S. Bach: Musical Offering, BWV 1079 - 4c. Canon 3 a 2 per motum contrarium is an Unknown language song and is sung by Musica Antiqua Köln and Reinhard Goebel. J.S. Bach: Musical Offering, BWV 1079 - 4c. Canon 3 a 2 per motum contrarium, from the album Bach Autumn Study Vibes, was released in the year 2020. The duration of the song is 0:34. Download Unknown songs online from JioSaavn.