Christian Marclay's Video Quartet was the most interesting thing I saw at the SFMOMA yesterday. Video Quartet is a movie featuring four simultaneous clips from other movies shown side-by-side, each one contributing some sort of music, sound effect, or vocal to a 13-minute visual mix tape. The result is as if Mike Figgis had directed an Avalanches music video...but way better. "Richly layered" doesn't begin to describe the experience.