FILM: Soul legend Bill Withers (of "Ain't No Sunshine," "Lean on Me," and "Just the Two of Us" fame) is profiled in the new documentary Still Bill, which will be screening in San Francisco for one night only at Sundance Kabuki. The screening will be followed by an after-party at the Boom Boom Room, which is free with the purchase of a movie ticket. Curtis Bumpy, a Curtis Mayfield and Bill Withers tribute band will perform.

7 p.m. // Sundance Kabuki (1881 Post St), after party at Boom Boom Room (1601 Fillmore St) // $15, buy tickets

MUSIC: sfSound presents the work of three experimental German and Austrian composers: "Helmut Lachenmann's Dal niente (Interiur III) predates the "lowercase" improv scene by 30 years, while Olga Neuwirth's Fondementa is inspired by recent trends in electronic music. The concert concludes with Karlheinz Stockhausen's KURZWELLEN, which specifies amplified instruments, live electronics, and shortwave radios in a semi-structured graphic score."

7:30 to 9 p.m. // Meridian Gallery (535 Powell St) // $5-10