MUSIC: Alcoholocaust presents a stellar night of veteran Bay Area Alternative Tentacles bands, including Victims Family, Fleshies, and Pins Of Light. (9 p.m., Elbo Room, 947 Valencia Street)
PERFORMANCE: Local playwright/director Joel Heinrich and concert pianist/composer Hunter Noack combine drama with a live music score in The Sister, which tells the story of Hiro and his adopted sister, Alice, who fall in love and unleash an Indian curse that threatens to destroy their family. (6 to 8 p.m., SOMArts Gallery, 934 Brannan Street)
THEATER: Brava Theater kicks off its 25th season with New Fire, which "follows the sacred geography of indigenous American ancestors to tell a post-modern story of rupture and return," written and directed by Cherrie Moraga, one of Brava's founding members. Tonight's pay what you can! (8 p.m., Brava Theater, 2781 24th Street)