Pre-concert routine

With the the US tour starting, I thought it would be interesting to hear if any of you have a "pre-concert routine"
For example, do you like to listen to the music a whole lot days before the show or do you stop listening in order to have that "fresh" feel?
Do you like to know exactly what the setlist will be or do you try to be surprised when you go?
I've seen some ladies get really dolled up for a show. Do you think of a concert like a like a big, almost formal event, or would you rather be more comfortable and wear pjs?
In the past I've listened a lot to the music beforehand and knew exactly what the setlist would be, but I think I'll change that this year. It will be interesting to try to avoid seeing reviews in the early stages.
For example, do you like to listen to the music a whole lot days before the show or do you stop listening in order to have that "fresh" feel?
Do you like to know exactly what the setlist will be or do you try to be surprised when you go?
I've seen some ladies get really dolled up for a show. Do you think of a concert like a like a big, almost formal event, or would you rather be more comfortable and wear pjs?

In the past I've listened a lot to the music beforehand and knew exactly what the setlist would be, but I think I'll change that this year. It will be interesting to try to avoid seeing reviews in the early stages.