Marina Abramović and Ulay. Relation in Time. Originally performed at 1977 for 17 hours at Studio G7, Bologna. Still from 16mm film transferred to video (black and white, sound). 50:33 minutes. © 2010 Marina Abramović. Courtesy Marina Abramović and Sean Kelly Gallery/Artists Rights Society (ARS), New York. Reperformed continuously in shifts throughout the exhibition Marina Abramović: The Artist Is Present at MoMA, March 14-May 31, 2010.