Look like you belong.

You wander around for a while, acting as if you have a right to be there. Suddenly someone in a STAFF windbreaker grabs you and hauls you toward the stage. "Thank God, someone who isn't already buried in work. Come on. I need someone to work the fog machine. Looks like you're going to spend the concert crouched behind a giant machine. So much for getting to see Mick and his tight pants up close and personal.