Kà is a show by Cirque du Soleil at the MGM Grand in Las Vegas, Nevada. Kà describes the story as "the coming of age of a young man and a young woman History · Set and technical · Cast · Acts. It is the greatest theater production the world has ever seen! KA by Cirque du Soleil live at the MGM Grand in Las Vegas. See and experience the. Tickets für KA Theatre at MGM Grand (Formerly Cirque du Soleil Theater - MGM Grand) |Las Vegas||Las Vegas||Las Vegas||Las.