"Late Last Night"

You're thinking about, if you paid your bill at the bar last night. You are looking in your wallet and now you know - yes, you did. You let the night-revue going on and you notice, that you've actually missed it. At this point you are realizing more clearly, that you obtain the reciept of what you call Rock 'n' Roll. You get the bill at the end and than you pay. But the gig was cool.....