IT's last show B-4 summer www.azstarnet.com ® Accent IT's last show B-4 summer Musical offers chance to dance in your seat, win prizes By Fayana Richards arizona daily star Tucson, Arizona Published: 05.02.2008 Lucky charms, superstitions and rituals are all a part of the subculture tapped into in "Bingo, a Winning New Musical," which Invisible Theatre opens next week. In nearly every bingo hall, there's the player with several trolls on her table, the one who doesn't want any talking, or the woman who prays before she begins, said director Susan Claassen in a phone interview. A relatively new musical, "Bingo" is about a group of friends who establish their friendship around the game, Claassen said. Eventually, the friends have a falling-out. But 15 years later, they come back together again. Vern, Patsy and Honey are from different walks of life, but "it really is a celebration of friends," said Claassen. "Underneath it all, this game