The 1960s marked a big change in Hollywood. The studio system was nearly gone, and in its place a new freedom and variety reigned in the movies.
"Mary Poppins" was one of the last big musicals in the old style, and Dick Van Dyke's career was on an all time upswing. He was the big star of Broadway, TV and movies, and all in a 4 year period in the early 1960s. van Dyke and Julie Andrews take to the rooftops of London to see what the life of a chimney sweep is all about. (Chim-Chim-Cheree).