If you don't know how the algorythm work then you might enjoy the simulation videos made by Sapientia University (Romania). You probably have never seen anything like that before. At least I didn't :) They took Central European folk dancing teams, a small folk band, added overlay showing array locations and got them to dance the algorithms in time.
watch it here:
http://tinyurl.com/66ruzha
found via http://roomthily.tumblr.com/
