I don’t know if this is just an Asheville thing or a national trend. The idea is to combine contra dancing—it’s kinda like square dancing, I guess—with techno music and black lights and other rave crap. Here, just take a look ...
Personally, this holds no appeal for me. At least at a rave you’re not worried about paying attention to a highly formal dance structure and instantly responding to the commands of some dance caller.