Pocket Opera Presents: Norma

Marines Memorial Theater, 2 p.m.
The story of a powerful, awe-inspiring woman, leader of her oppressed people in an occupied country, whose secret double-life, if exposed, would mean certain death by fire, fury, jealousy, and transcendence. 609 Sutter St. (at Mason), $15–$39, 415-972-8930 www.pocketopera.org