American Idol tour question- please help!?

Hi,
So i am going to the American idol Tour Concert TONIGHT!!!!!!
at the Staples Center.
Me and my mom got really good seats!
so anywayssss, i was wondering, what is it like?
I already know the Songs every1 is singing and the order.
I just want to know, for people have been to one,
1- HOW LONG IS IT?
2- WHAT IS IT BESIDES THE CONTESTANTS SINGING- IF ANYTHING.
THANKS!!! I’m super excited!!!
oh yeah, and i made an Adam Lambert tee Shirt
I am prob. the biggest Glambert fan out there! tehehe
thanks for answering