Sonic Youth bassist Kim Gordon and free-noise guitarist Bill Nance will perform as Body/Head at the Museum of Contemporary Art at 7 p.m. Sept. 24. The duo is currently on a national tour promoting their double album, "Coming Apart." A collaborative set featuring GATE and Tom Carter will precede the performance, which runs for two hours. Tickets are $24, and a limited quantity of $10 student tickets are available. Free museum admission is granted with a MCA Stage ticket stub, valid up to seven days after the performance.