There are other ways to stop several hundred people in their tracks... and the only thing left hurt is their consciences.

That video has been around for a few years now. IIRC, it actually occurred in the holiday season 2010. I like the part where the male singers come in while riding up the escalator.

Here's a link that my sister sent to us --

http://www.youtube.com/watch?feature=player_embedded&v=ZCFCeJTEzNU

-- It's for those of us who celebrate Christmas.