CBS-TV will be airing a special on Thursday (9-10 p.m., Eastern time), about the incomparable Mary Tyler Moore.
Here is a nice scene from The Dick Van Dyke Show, from 1961 (the show's first season). It features Ms. Moore and Mr. Van Dyke singing and dancing to the song "You Wonderful You."
https://www.youtube.com/watch?v=PdefTKxQVrY