Kudos! THAT is a tough bracket, from an AA group.
Heck, nationals is just scary period. Huge arena, travel and everything else. I have changed in far too many parking lots when we got bad time slot draws.
DRINK LOTS OF WATER during band camp.
Yay for bandcamp, well, yes and no. A lot of bonding went on and parents were great and hosted BBQ`s and picnics for a lot of our downtime (we did 9-12 and then 6-9 for a week (no travel)...but it could still be merciless.