This is one of the coolest videos I've seen in a long time - definitely a pick-me-up and a breath of fresh air, especially for those of us old enough to remember the music! It's from Improv Everywhere - they're hoping to make it into a reality show. Now this is one reality show I would really watch! Look for the elderly woman's face when she realizes what's going on - very sweet, unguarded moment. Enjoy.