They are the dance type ones that are, for lack of a better description, hip-hop line dancing.<BR><BR>I've identified two, Cha Cha Slide, and Cupid Shuffle. Seems like there are at least a few others.

Cupid was also part of getting the world record for the largest linedance ever assembled at the time, which took place in Atlanta, Georgia, in 2007 and included 17,000 people.