Book excerpt: How do you avoid being ripped off by unscrupulous promoters, or what to do if you really, really want to punch your bass player? That's where this Cut the Crap Guide comes in. Based on real musicians' experiences. it is designed to cover the things you really need to know: how to get gigs, how to get on the radio, how to make money from music, and how to avoid playing in front of three drunks and a murderer on a damp Tuesday in Dunfermline.