On stage

friday/18

“Bad Jews.” Opening of Joshua Harmon’s comedic play about four adult Jewish siblings battling over their grandfather’s chai necklace after his funeral. Through Dec. 4. By Left Edge Theatre, at Luther Burbank Center for the Arts, 50 Mark West Springs Road, Santa Rosa. 8 p.m. $25-$40. www.leftedgetheatre.com

sunday/20

Cabaret by the Bay. Yiddish culture revue featuring a who’s-who of local talent. Presented by KlezCalifornia and New Yiddish Theater. At Osher Marin JCC, 200 N. San Pedro Road, San Rafael. 5 p.m. $10-$20, free for 12 and under. www.klezcalifornia.org