I just was notified that I have secured a pass to the Rise Against concert on Monday. Up until now, most of my low light shooting was in my high school theatre. I know the concert will be pretty similar as far as light goes but I was wondering if anyone can compare the light. Does an average concert have more or less. I should be fine on my lenses, I have a Sigma 70-200m /2.8 and a nifty 50 /1.8. I plan to be shooting with those two lenses at 1600 just like I would in a theater. Anything would be much appreciated. If you want to look at some of the shots I've done just take a look at my flickr account.