I went to the Guinness and Oyster fest yesterday. We saw this band called Powder. They were insane. The music was pretty good but the show they put on was awesome. The lead singer is wearing these crazy outfits and she does a gymnastic routine.
The picture is from my cell phone from about 40 ft away so its not very good. However there are two ring suspended in the air and the lead singer and another girl up that doing routine. If you have a chance to see them I highly recommend it.

Check out one of their video's to see how bizarre they are.
http://www.atomfilms.com/landing/landingIndex.jsp?id=powder&mature=accept