"Audium 9": Spatial electronic orchestrations and sound sculptures. Early arrival is advised. Fridays, Saturdays, 8:30 p.m. $20. Audium-Theatre of Sound-Sculptured Space, 1616 Bush (at Franklin), 771-1616.
Barbary Coast Belles & Whistles Variety Show!: Comedy, magic, music, and burlesque. Sun., Sept. 16, 9 p.m. $8. Boom Boom Room, 1601 Fillmore (at Geary), 673-8000.
Beach Blanket Babylon: Steve Silver's musical revue spoofs pop culture with extravagant costumes. Wednesdays-Sundays. $25-$130. Club Fugazi, 678 Green (at Powell), 421-4222.
Big City Improv: Actors take audience suggestions and create comedy from nothing. Fridays, 10 p.m. $15-$20. www.bigcityimprov.com. Shelton Theater, 533 Sutter (at Powell), 433-3040.
The Business: A Comedy Show: Sketch and stand-up comedy. Wednesdays, 8 p.m. $5. Dark Room Theater, 2263 Mission (at 18th St.), 401-7987.
Circadelix: A fusion of clowning, aerial feats, storytelling, hip-hop, and puppetry that asks: Are we happy with what we have? Sept. 18-19, 8 p.m. $15. Stage Werx 446, 446 Valencia (at 16th St.).
Will Durst's Elect to Laugh: A comedy show chasing down the presidential election from a San Francisco comedian who once ran for mayor. Tuesdays. Through Nov. 6. $15-$35. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
Hamlet and Cheese on Post: SF Theater Pub presents a night of humorous parodies of Hamlet and live music. Mon., Sept. 17, 8 p.m. Free. Cafe Royale, 800 Post (at Leavenworth), 441-4099.
Invasion!: A play on Middle Eastern identity. Wednesdays-Sundays. Through Sept. 29. $15-$30. Boxcar Playhouse, 505 Natoma (at Sixth St.), 776-1747.
Is Piracy the Second Oldest Profession?: Part performance, part lecture on piracy. Sun., Sept. 16, 1 p.m. $35-$50. Marines' Memorial Theatre, 609 Sutter (at Mason), 673-6672.
Kiss of the Spider Woman: Based on the banned novel by Manuel Puig. An intricate game of cat and mouse between two men forced to share a jail cell in a Latin America. Thursdays-Saturdays. Through Sept. 29. $20-$35. The Phoenix Theatre, 414 Mason (at Post), 989-0023.
Kurt Weitzmann: Stand-up comedy about historical San Francisco. Sundays, 7 p.m. Through Oct. 28. $20. Our Little Comedy Club Theater, 287 Ellis (at Taylor), 928-4060.
Lypsinka: "The Passion of the Crawford": John Epperson's drag performance about Joan Crawford and the perils of fame. Through Sept. 16. $35. The Rrazz Room at Hotel Nikko, 222 Mason (at O'Farrell), 394-1189.
Monday Night Marsh: Musicians, actors, performance artists, and others stage works in progress. Mondays. $7. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
My Fair Lady: The famous Broadway musical is reinvented in a new production designed to fit the SF Playhouse Stage. Tuesdays-Thursdays, 7 p.m.; Fridays, Saturdays, 8 p.m. Through Sept. 15. $30-$70. SF Playhouse, 533 Sutter (at Powell), 677-9596.
The Normal Heart: Larry Kramer's 1985 drama about the AIDS epidemic in the gay community. Tuesdays-Sundays. Through Oct. 7. $20-$70. American Conservatory Theater, 415 Geary (at Mason), 749-2228.
Open: A married couple try an open relationship. Sept. 14-24. $20. Garage Gallery, 655 Bryant (at Fifth St.), 541-8500.
The Other Place: Scientist Juliana Smithton unravels a personal, 15-year-old mystery. Tuesdays-Sundays. Through Oct. 7. $20-$30. Magic Theatre, Fort Mason, Bldg. D, Marina & Buchanan, 441-8822.
The Play About the Baby by Edward Albee: A young couple have a child — the perfect family — that is, until an older couple steal the baby. Thursdays-Sundays. Through Oct. 7. $15-$30. The Custom Made Theatre Co., 1620 Gough St., 798-2682.
Previously Secret Information: In the words of the organizers: "Great stories, told well, with just the right amount of lies." We'll add: "Told by comedians, a lot of the time." Third Sunday of every month, 7 p.m. $10. Stage Werx 446, 446 Valencia (at 16th St.).
Rights of Passage: This world premiere play follows a gay Balinese Hindu — but its scope is LGBTs throughout the world. Wednesdays-Saturdays, 8 p.m.; Sundays, 2 p.m. Through Sept. 16. $25-$45. New Conservatory Theatre Center, 25 Van Ness (at Market), 861-8972.
Rigoletto: The 90th season opener of the San Francisco Opera. Tuesdays, Wednesdays, Fridays-Sundays. Through Sept. 30. $22-$340. War Memorial Opera House, 301 Van Ness (at Grove), 864-3330.
Secret Improv Society: Underground improvisational theater. Saturdays, 10 p.m. $15. Shelton Theater, 533 Sutter (at Powell), 433-3040.
Shopping! The Musical: Songs and sketches about shopping. Fridays, Saturdays, 8 p.m. $23-$29. www.shoppingthemusical.com. Shelton Theater, 533 Sutter (at Powell), 433-3040.
Some Thing: Art drag night with craft table. Fridays. $5. The Stud, 399 Ninth St. (at Harrison), 863-6623.
Spring Break the Musical: A musical that parodies the Girls Gone Wild franchise. Thursdays-Saturdays. Through Sept. 15. $20. Eureka Theatre Company, 215 Jackson (at Front), 788-7469.
Stalking Christopher Walken: A comic jaunt into the mind of renowned actor and cultural phenomenon. Part of Fringe Fest 2012. Through Sept. 15. $10. Exit Theatre, 156 Eddy (at Taylor), 673-3847.
To Be Merry: One-woman comedy show. Through Oct. 14. $10. Exit Theatre, 156 Eddy (at Taylor), 673-3847.
Tony 'n' Tina's Wedding: Fridays, Saturdays, 7 p.m. $88.50-$115.50. www.tonyandtinasanfrancisco.com. Imperial Palace, 818 Washington (at Grant), 956-9888.
Trainwreck Cabaret: Captures the charm of off-color entertainment from the 1950s, with a modern twist. Sat., Sept. 15, 10:30 p.m. $20. Stage Werx 446, 446 Valencia (at 16th St.).
Tripping on the Tipping Point: A musical comedy about climate change. Thursdays-Saturdays. Through Sept. 28. $10-$20. Stage Werx 446, 446 Valencia (at 16th St.).
Twelfth Night, Othello, and Henry V: A roundup of Shakespeare plays. Fridays-Sundays. Through Oct. 7. free-$80. Hyde Street Pier, 499 Jefferson (at Hyde), 447-5000.
Vital Signs: The Pulse of an American Nurse: Solo performance by Alison Whittaker about working in the health care industry. Sundays, 7 p.m. Through Sept. 16. $15-$50. The Marsh Theater, 1062 Valencia (at 22nd St.), 826-5750.
Where's Fester?: "The Boys of Bearlesque" perform an Addam's Family-themed burlesque show. Sat., Sept. 15, 7 p.m. $10. Deco Lounge, 510 Larkin (at Turk), 346-2025.
You Killed Hamlet, or Guilty Creatures Sitting at a Play: Satire on our fear of death. Wednesdays, Saturdays. Through Sept. 12. $10. Exit Theatre, 156 Eddy (at Taylor), 673-3847.