Gary Simmons: “Recapturing Memories of the Black Ark”:

Noon-6 p.m. Tuesdays-Saturdays. Friday, March 31-April 29. Exhibition is free; live musical performances 7 p.m. Thursdays and Saturdays in April, $10-$20. Southern Exposure, 3030 20th St., S.F. (415) 863-2141. www.soex.org