"Impact" (1990) by Michael Schwartz, choreography by Elizabeth Streb; "Undertow" (1988) by James Byrne, choreography by Eiko and Koma; MASS"Between a Rock and a Hard Place" (1990) by Mary Lucier, choreography by Elizabeth Streb; "Changing Steps" (1989) by Elliot Caplan and Merce Cunningham, choreography by Merce Cunningham.