“4x5=20 plus one,” Michael Silver’s exhibition of 76 platinum-and-paper prints, was inspired by the death of his friend John Cage. The exhibition title refers, in part, to the way in which the show was divided into four sections, each covering a period of about five years. These delicate black and white photographs were printed on materials ranging from rice and Japanese gampi paper to gum wrappers, foil, and papyrus. Thirty-five small-scale works, mostly arranged in groups of four, were made from contact printing images of chairs, brooms, a painted chicken, cow’s feet and portraits of Cage onto