The Rockettes’ Christmas Spectacular show at Radio City Music Hall is a New York holiday tradition. They’re known for their high kicks, but there’s a lot that goes on behind the scenes that most people don’t know. In this episode of “Get Outta Here,” hosted by AP Travel editor Beth J. Harpaz, we talk to AP Entertainment Writer Mark Kennedy to learn some of the Rockettes’ secrets. He interviewed two of their veteran dancers and found out everything from what makes those tap shoes sound so great to their most embarrassing moments. He also found out which state sends the most Rockettes to Radio City. The answer might surprise you.