701 Mission (at Third Street, in Yerba Buena Gardens), 978-2787, www.ybca.org. $8 save as noted. This venue's Screening Room is a home for film and video programs of all sorts.
FRIDAY (July 15): The premiere of "4 x 4," a group of four commissioned videos by sometime YBCA artists in residence Ellen Bruno, Bill Daniel, Sam Green, and Caveh Zahedi, plus installations and live music 8 p.m.
STARTS SATURDAY: Daily screenings of "4 x 4," continuing through Sept. 25. Free with gallery admission of $6 3 p.m.