Hmm at least it's a good album!
Try listening to something else annoyingly catchy. I usually click through my mp3s and listen to little snippits of them to clear my head of songs. Sometimes it's not so easy to do though. It depends on how deeply ingrained the song is in your subconcious? short term memory? *wherever it is*, anyway; If it's too profoundly embedded, then you will just have to suffer! Muahahaha
It could be worse, it could be Wannabe from the Spice Girls
Sooooo tellme what you want what you really really want, I'll tell you what I want what I really really want I wanna.......