ART: It's the closing night party of Trace Elements, in which Bay Area artists were posed with questions such as "Does the urban environment hold secrets or codes that would provide a greater comprehension of its systems, or of its human inhabitants?" Artists featured at the 401 Van Ness SFAC gallery location: Michelle Blade, Jason Jägel, Dan Nakamura, Ferris Plock, Clare Rojas, Deth P. Sun, Kelly Tunstall, Porous Walker, Marci Washington and the Hamburger Eyes collective. At the SFAC Gallery Window Installation Site at 155 Grove St: Chris Duncan, Maya Hayuk, Kyle Ranson, and Brion Nuda Rosch.

6 to 9 p.m. // San Francisco Arts Commission Gallery (401 Van Ness Ave) // free

FILM: It's the San Francisco premiere of Queer Icon: The Cult of Bette Davis, featuring film clips of Bette's most iconic moments, juxtaposed with camp burlesques by San Francisco actor Matthew Martin and others, including Charles Pierce and Arthur Blake; a profile of Martin highlighting his long identification with Davis; and interviews with fans, entertainers, and gay cultural historians.

6 p.m., 8:10 p.m., and 10:20 p.m. // Roxie Theater (3117 16th St) // $15