Was there ever a composer so clever as musical Mr. Andrew Lloyd Webber? Fresh off of a purrrfect opening night for Cats: The Jellicle Ball, the musical theatre living legend sat with BroadwayWorld's very own Richard Ridge to discuss the beloved (and now critically acclaimed) show's enduring legacy. "Ever since I was a kid, I always dreamt of being a theatre composer," he explained. "And of course, even though I'm a …