The Copenhagen Philharmonic has tried its hand at a flashmob before. Back in May, it performed Ravel's Bolero to an unsuspecting public at Copenhagen Central Station.
It was nice. But, earlier this month, they were truly audacious, performing Edvard Grieg's Peer Gynt on a moving, crowded metro train. As you'll see in the video below, it looks magical:
h/t: NPR's Audie Cornish via Gawker.