@ San Fransisco City Hall, 1 Dr. Carlton Goodlett Place, Rm 284. Supervisor Rafael Mandelman welcomes artist Jun Yang whose art is currently on display. 4-5pm. mandelmanstaff@sfgov.org

@ Joaquin Miller Park, 3450 Joaquin Miller Road, Oakland. Bring blankets and favorite foods for this annual outdoor event hosted by cast members and friends of The California Revels organization. 11:30am-3pm. http://www.californiarevels.org

@ El Rio, 3158 Mission Street. Rhinstone studded, gingham, beadazzled and tasseled shirts plus boots are encouraged at this annual party featuring cold drinks, BBQ and good tunes by Valerie Jay, Crying Time, The Muddy Roses and Velvetta. 3pm. http://www.elriosf.com

@ Temescal Brewing, 4115 Telegraph Avenue, Oakland. The event, an evening of “beers, beats and babes in Oakland,” continues on first Fridays with resident and guest DJs spinning tunes and food by El Sabrosito ES. 5pm. http://www.temescalbrewing.com

@ Terrace Room, Lake Merritt Hotel, 1800 Madison Street. The longstanding social mixer will welcome as their featured guest Stacy Poulos and her Postcard Travelers Pop-up Art Show. First Fridays, 6-9pm. Ebabes TGIF on meetup.com