West Seattle Summer Fest takes over three blocks of California Avenue Southwest for three days this weekend. Mudhoney play tonight, among other bands. Team Gina (sweet lesbian electro-rap), We Are Golden (Stranger Genius Award–winning performer Sarah Rudinoff's band), Caspar Babypants (the Presidents of the United States of America's Chris Ballew playing children's songs), and Thee Sgt. Major III (rock) play tomorrow, among many other bands. Also at the festival: food, beer gardens, family stuff, a skateboard exhibition, etc. The festival is 27 years old this year. (West Seattle Junction, www.westseattlefestival.com. 10 am–8 pm, free, all ages.)