Opening song of the Sub Level 03 show @ Further Confusion 2007
This is also one of the videos that started DMCA issues on YouTube with the so-called "creator" of the Electric Slide. The offending clip is seen from 3:39 to 3:59.
For more info, see http://qdot.livejournal.com/196134.html
UPDATE: Thanks to the EFF (http://www.eff.org), this and many other electric slide videos are back up on the net! http://www.eff.org/news/archives/2007_05.php#005263
Original Electric Slide Choreography by Ric Silver