Clinton Darryl Mansell is an English singer, musician and film composer known for his collaborations with Darren Aronofsky. He composed Pi, Requiem for a Dream, The Fountain, Black Swan, The Wrestler, Noah, Ghost in the Shell, Peacemaker, Doom Patrol, Loving Vincent, Mass Effect 3, Titans, World Traveler, Smokin' Aces, Doom, The Hole, and Definitely, Maybe.
With Requiem for a Dream (2000), classical composer and founder of the "Bang on a Can Fesitval", David Lang was brought in to create
the string arrangements for the Kronos String Quartet.