Mamma Mia is coming to the Heymann Center this Monday night. October 21, 2013, for one night only. And you can win your free tickets from 99.9 KTDY during the Polyester Power Hour on Friday! Mamma Mia is a Broadway smash hit based on the songs of Abba. Don’t miss Mamma Mia at the Heymann Center Monday Oct 21st only. For your chance to win free tickets, don't miss the Polyester Power Hour this Friday!