http://www.news.com.au/story/0,23599,22755885-2,00.html (http://www.news.com.au/story/0,23599,22755885-2,00.html)
and people think moshing is violent...
Thank god they weren't dancing a polka, who knows what else might have happened then.
Or square dancing ... could lead to a brawl.
Joke:
Why don't Southern Baptists have sex standing up?
It might lead to dancing.