Sat., Aug. 24, the Knockoffs

Old Ironsides, 9 p.m., $5

Originally formed in 1993, Sacramento group the Knockoffs has been playing punk-rock music—reminiscent of the Ramones and Sex Pistols—for 20 years. But with its large catalog of simple, energetic songs about broken hearts, summer and fights—and several corresponding goofy music videos—the Knockoffs seem to be having more fun than those punk pioneers ever did. Expect a raucus anniversary show with plenty of “One, two, three, four!” counts, simple-yet-effective crunchy power chords and choruses that are shouted by all four members of the band's current lineup (Tom Hutchinson, Tom Anderson, Bobby Jordan and Danny Secretion). Openers include Bright Faces, Arts & Leisure, and Dr. Frank. 1901 10th Street,