PARTY: The folks at Muni Diaries are celebrating their fourth birthday with a free party tonight, thanking "every single person who has ever tweeted, commented, contributed a story, or LOL’d at the ridiculousness of life on Muni." The event will feature 90s hip hop from DJ SMA of DEBASER, free el Jimador margaritas, 4505 Meats chicharrones (while supplies last), and more. (6 to 9:30 p.m., Make-Out Room, 3225 22nd Street)

MUSIC: SF-based global mashup group Rupa & the April Fishes join forces with bike music tour veterans Shake Your Peace! and bioregionalists Planet Drum for the Bay Rising Tour, in which the bands and crew carry all their gear on bikes and perform using a pedal-powered sound system. (9 p.m., The Independent, 628 Divisadero Street)

FILM: Mission [email protected] hosts its 1st Annual Film Festival, featuring a series of short films up to 10 minutes long, including "a silent dance film, a story about a romantic puppet who gets dumped by his human girlfriend, a profile of a Mission DJ who works at one of SF’s independent radio stations, a look at the Mission’s gangs and much more." (7 to 9 p.m., The Women's Building, 3543 18th Street)