What are some ways you can buy tickets to a show? I know this is a moderately stupid question, but I'm hoping to go to the Omaha show and I want to know where you can buy tickets, and if you can just purchase one the day of the show, or on the internet. I've looked, sort of, but I can't find anything. Please include any other info about going to a show, because this would be my first concert (if I go).