Oh my goodness, Roger -- I've never seen the video! Robin Williams!! I almost cried before I couldn't stop smiling. He will always make me smile. Amazing about the whole soundtrack....
Here are two of my all-time fave, always effective happy-making songs:
https://www.youtube.com/watch?v=vmezIIrFQmY
https://www.youtube.com/watch?v=8gxwutvlTw8
Cally