The setting up for the Apple Music Super Bowl halftime show. I'm that Funny is about the stage. I'm Rhonda Williams, a sports business reporter at Bloomberg News.And I'm taking you inside the world's biggest, flashiest and most expensive sporting events to answer one question. How does sports become this big of a business. We know all about the game.But let's face it, sometimes the performance outshines the sport. What's your favorite halftime show performer ever. Fritz, J-Lo.Beyonce there. But yeah. Bruno ...