When we first set up the calendar, the idea of Festive Fridays was that everyone would be visiting the site in their office, the music video would come on and spontaneous dancing would ensue. Not sure if that ever actually happened!
Today's video is a couple of GAP classics:
And as a bonus, another of their fab 'Holiday' videos.
(PS sorry for yesterday's link not working, it's a long time since I coded in HTML)