Carrying a plate of flautas, salsa, and guacamole and a bottle of imported beer, one of the musicians sat down beside me, introduced himself and began to talk about his work, a kind of sidewalk performance art. At night just as the crowd is arriving-- at operas or the opening of exhibitions -- he stands near the entrance of the event. Slides are projected on his body by a device he rigged up which runs off the battery of his car. He usually wears white. There is a soundtrack, and the images, which are photos and text, are projected in a loop so that when the sequence is done, it begins again.