In Which Ethan Hawke Tells Us All About How He Is SO Not Over UmaAt first, when the sound equipment failed and random musicians began taking the stage for impromptu sets between the 24-Hour Plays being performed at the Atlantic Theater, it was grim. Between the first two plays, a person who may or may not have been a stagehand came out and performed an Ani DiFranco song. (We knew it was that, because we went to college.) Later, she sang an Irish ditty, it being Saint Patrick’s Day. We looked around. What torture would come next? Then something inexplicable and magical happened. Out of nowhere, actor Ethan Hawke hopped up onstage, strapped on an acoustic guitar and bared his soul to the audience. “Someone I know wrote this song while shooting a movie in Paris during his divorce,” he said. We, along with the rest of the audience, gasped. He was totally talking about himself, and more important, Uma Thurman!