A still from “Do You Wonder Who Fired the Gun?”

Tuesday, April 24 

The Floridian four-piece indie-rock band Surfer Blood plays Empire (575 Congress St., Portland) with dream-pop quartet Winter opening at 9 p.m. Tix: $12 (21+). 558-2279. portlandempire.com. And SPACE Gallery (538 Congress St.) is screening Travis Wilkerson’s artfully rendered, disturbing documentary about his great-grandfather’s murder of a black man in the South, Do You Wonder Who Fired the Gun?, at 7 p.m. Tix: $8. 828-5600. space538.org.