With his orchestral work Play, American composer Andrew Norman, 37, has won the Grawemeyer Award for music composition. The prize, worth $100,000, was announced by the University of Louisville, the sponsor of the award. Former winners include Pierre Boulez, John Adams, Kaija Saariaho and Thomas Adès. Play was written for the Boston Modern Orchestra Project, an ensemble led by Gil Rose, which premiered the work in 2013.