sater has also worked with system of a down's serj tankian on a musical version of "prometheus bound", directed by diane paulus, which opened at the american repertory theater on march 4, 2011 to mixed reviews. the a.r.t. partnered with amnesty international on prometheus bound, dedicating each week of performance to a different prisoner of conscience around the world. “the hunger”, a single from the show recorded by shirley manson, has been released on itunes, with all proceeds going to amnesty international.