I suppose it's possible that I am biased ... NAH!
Enjoy the video and leave comments, I will share them with the girls. They worked as a team in secret to surprise me with this gem.
If you select the CC option on the video (lower right), you will see Close Captions (in case you want to sing along!)
On YouTube http://www.youtube.com/watch?v=bpPIxF50rIg