yea - I haven't been to a concert in years, but I have heard that with the no smoking thing - most people are "lighting up" before they go in.. leaving their smokables in the car where they "belong" :D
Well, I am pretty sure they don't 'approve' of tailgating there either. But a bunch of them looked like they had moved in... Especially along the edges of the lot. There were some with canopies, tables, etc