I remember seeing groups of kids doing weird dance battles to crappy hardcore in Alexanderplatz over the last couple of years.Even more fascinating, I can't think of any analogous dance culture amongst white people.
http://www.youtube.com/watch?v=mfSIcx1YgVE http://www.youtube.com/watch?v=DqU21JF2E3w http://www.youtube.com/watch?v=0dPuuvvKjLA