Two-part Invention in C minor for violin and cello View cart “Two-part Invention in C minor for violin and cello” has been added to your cart. $15.00 Two-part Invention in C minor for violin and cello, with apologies to J.S. Bach, is a tongue-in-cheek tribute to this great master. Two-part Invention in C minor for violin and cello quantity Add to cart Categories: Digital Score, Strings Description Two-part Invention in C minor for violin and cello. Score and parts.