Black Chord, my most recent multipanel work, consists of seven horizontal panels measuring 16×20 in. The three previous Modular Rhythms series used 14×11 in. vertical panels; it’s amazing how even such a small change of scale creates different painting problems. It was interesting to give the color black such a large role. (Like my hero Matisse, I have always used black as a color…) Click on the photo to see more images.