Class assignments...suggestions??

In one of my classes, we are doing a months worth of "decade" challenges. Each week is a different decade of music/challenge, and for some reason I have a mental block. I've gone through my iPod, and just not feeling anything fits right now, so I'm reaching out to my fellow Veeners for suggestions. Week1: 90's - no butts over your head (ie: no inverts) Week2: 80's - no pole tricks Week3: 70's - make up your own trick or combo Do any of you have a favorite song from these decades you would suggest?? All suggestions welcome! THANKS!!