Usually there's no chance of that. Security pretty tight
Backstage. Unless you have a backstage pass its highly doubtful you'd get that close. But if you are there really early you may see the buses come in!
Unless you have backstage passes, chance are more than super slim. They love the fans, but also love getting paid too!
They parking behind the stage. Your chances of getting a autograph are very slim. I recommend getting there real early tailgate and keep your eyes open and you might Get Lucky
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