The Jack Curtis Dubowsky EnsembleJust because you a) were laid off b) think you're about to be laid off c) getting paid shit in the first place doesn't mean you can't go out on a Friday night. San Francisco offers a number of cheap options for those who want to hear a little music and spend very little money. Below, ten options that cost less than a ten-spot.1) Live soundtracks to experimental films (ATA, $6)The Jack Curtis Dubowsky Ensemble combines classical and electronic music to compose sou