Disney has been on the cutting edge of creativity for nearly a century. They've made movies that led the way in picture quality, great songs, and top talent. "Mary Poppins," released in the summer of 1964, was groundbreaking with its mix of animation and live action. It starred two of the era's biggest names, Dick Van Dyke, and Julie Andrews. It featured memorable songs, "A Spoonful of Sugar," and "Supercalifragilisticexpialidocious,"