Symphonic/ Classical
tues. 18 Center for 21st Century - Kick off the season with an artist not yet determined as of press time in a program featuring Boulez's multi-movement masterpiece, "Pi selon pli" for soprano and orchestra, 8 p.m. Tuesday, Sept. 18, Lippes Concert Hall, UB North Campus, Amherst; $. 645-2921, www.slee.buffalo.edu