MUSIC: "High-NRG" electronic band Extreme Animals present a mash-up of live music, video, staged theatrics, and "global meltdowns" as they "delves into the world of tween culture and the current obsession with the infinite hall of mirrors known as 'forever young'."

9 p.m. // Southern Exposure (3030 20th St) // free

HISTORY: Local historian, teacher, and author Rebecca Schall presents her latest book, Historic Photos of San Francisco in the 50s, 60s, and 70s, which captures the revolutionary and tumultuous spirit of the times and "illustrates the participants, protests, riots, triumphs, and tragedies of this extraordinary period in San Francisco and American history."

7 to 8 p.m. // Green Apple Books (506 Clement St) // free

FILM: Rough Cuts, a bimonthly series of work-in-progress documentary screenings at The Lab, presents Without a Net, featuring four young people in the slums of Rio de Janeiro diligently training for the circus. Note: RSVP at [email protected] before Noon today to attend.

7:30 p.m. // The Lab (2948 16th St) // $7