Here's what it says on the lastest VFC blog posted on the bands myspace page:

RADIO DISNEY TAKE-OVER RESCHEDULED!!!!

Hey whats up everyone!!! We just want to apologize for the rescheduling. Apparently the date got mixed up. We will be taking over Radio Disney next week. We will let you know the for sure date beforehand. We will also have a special surprise for you over the air as well, SO BE SURE TO LISTEN IN!!!
SORRY FOR THE MIX UP. :)
-VARSITY FANCLUB