FILM: Tonight's Bad Movie Night feature, in which the hosts continue their celebration of the "Giant Floating Head" poster, is Days of Thunder (audio), featuring some "streaky cars down below" and Tom Cruise's "pretty, pretty face."

8 p.m. // The Dark Room (2263 Mission St) // $6

MUSIC: The Outsound New Music Summit kicks off with family-friendly Touch the Gear Expo, in which the audience is invited to "roam among the artists and their sonic inventions, asking questions, making noise and learning how these often one-of-a-kind set-ups work."

7 to 10 p.m. // Community Music Center (544 Capp St) // free

THEATER: Bay Area writer, Lynn Ruth Miller, who found her calling as a comedic performer in her twilight years, proving that "the older you are, the more fun you have," performs her show-stealing musical comedy cabaret Alzheimer's Alzheimer's Cha Cha Cha tonight and next Sunday night only.

7:30 to 9 p.m. // Actors Theatre of San Francisco (855 Bush St) // $15-20