One of the millennium's biggest animated-film hits enjoys a raucous, colorful, and tuneful stage presentation when Rock Island's Circa '21 Dinner Playhouse presents the area debut of Madagascar: A Musical Adventure, a family treat, running April 19 through Mar 12, reuniting audiences with Alex the Lion, Marty the Zebra, Melman the Giraffe, Gloria the hip-hip-Hippo, and all of their other Dreamworks favorites.