Students from P.S. 3, P.S. 89, P.S. 234, P.S. 315, NEST+m, The Brearley School, The Corlears School, The Dalton School, and the Merce Cunningham Studio Class For Teenagers perform Changing Steps, 1975  at Memorial - Events in Honor of Merce, Park Avenue Armory, New York City, October 28, 2009.