An installation of Merce Cunningham’s dancing is surely a contradiction in terms. Cunningham’s own notes and notations, a videotape, and photographs spanning much of his career provide some approximation of Cunningham and his dance company’s vitality and precise movement. “You have to love dancing to stick with it,” Cunningham wrote in Changes: Notes on Choreography. “It gives you nothing back, no manuscripts to store away, no paintings to show on walls and maybe hang in museums, no poems to be printed and sold. Nothing but that single fleeting moment when you feel alive. It is not for unsteady