Anyway.. i dont take a lot of dance performance, and has been almost 2 year since I last shot a dance event..but here's a few I did if it helps to give TS an idea of some example of dance performance in indoor concert hall.

http://www.clubsnap.com/forums/showthread.php?t=187761
http://www.clubsnap.com/forums/showthread.php?t=270382
http://www.clubsnap.com/forums/showthread.php?t=270386