Finally, they get to the flatbed semi that constitutes the stage for tonight's concert. Next to it is another semi, full of amps and other sound gear. The drivers of the trucks, an oppressed minority of two, have retreated into the cab of the sound truck to smoke cigarettes and glare balefully at the swarm of thrashers, their sworn enemies in the food chain of the highways. They will not voluntarily come out until five in the morning, when the way has been made plain.