“Lilith the Night Demon in One Lewd Act.” Bawdy new Jewish folk opera with Veretski Pass and the San Francisco Choral Artists. At JCC East Bay, 1414 Walnut St., Berkeley. 8 p.m. $25-$35. Also May 4 at Menlo-Atherton Performing Arts Center, 550 Middlefield Road, Atherton. 3 p.m. $30-$49. www.liliththenightdemon.com.
“Rockin’ Pattern Party for Mother’s Day.” Celebration for preschoolers and their families with musician Allison Faith Levy, art projects and a puppet show. At the CJM, 736 Mission St., S.F. 10-11:30 a.m. Included with museum admission. www.thecjm.org.