http://www.cnn.com/2008/HEALTH/10/16/disco.song.health.ap/index.html^
Stayin' Alive and Another One Bites the Dust, although the former has actually been studied and is kind of more appropriate (I guess), have nearly the perfect beat to keep in your head while doing CPR compressions. This is hilarious, but damned if I'm ever involved in a CPR I won't have the stupid thing in my head.