Chicago composer and former North Central music faculty member James Falzone will perform and host a free lecture, “who if not I: Creativity, Conscience and the Genesis of Ideas,” at 7 p.m. Thursday, Feb. 11, in Koten Chapel. Falzone is in residence at North Central College on Feb. 11-12, visiting classes, speaking with students and attending rehearsals for the world premiere of a classical music piece commissioned to commemorate the College’s three-year focus on global environmental change. “Our Home, Our Earth” featuring the DuPage Symphony Orchestra and the Women’s Chorale will be presented at 8 p.m. Saturday, Feb. 13, in Wentz Concert Hall. In addition to the premiere of Falzone’s “who, if not I?” the performance will feature MacDowell's “Indian Suite” and Ferde Grofe's “Grand Canyon Suite.” Tickets $11/North Central students and $28/adults, $25/senior citizens; call 630-637-SHOW (7469)