The video was made to reference the urban legend of the band Pink Floyd making their album "Dark Side of the Moon" to follow The Wizard of Oz (1939) in both music and lyrics. James Rolfe intentionally made the video to follow the album when the album is started on the lions third roar.
At 6:43 R.O.B. The Robot can be seen hanging from the ceiling. This is another nod to a famous legend about the film, where for years it was thought you could see a body hanging in the background of a shot (usually the story being that of a munchkin extra in the process of committing suicide) a legend that's long be debunked but remains a constant talking point about the history of the movie.