Provided to YouTube by Nonesuch Steve Reich: WTC 9/11 I. 9/11 · Kronos Quartet · Steve Reich Reich : WTC 9/11, Mallet Quartet, Dance Patterns ℗ 2011 Nonesuch Records Engineer: John Kilgore Produced by: Judith Sherman Performed by: Kronos Quartet Masterer: Robert C. Ludwig Executive Producer: Robert Hurwitz Composer: Steve Reich Auto-generated by YouTube.