Since the actual linked page contains video links that don't work, here's Dave Griffith's blog of Scheme Bricks posts including audio, some images and videos : http://www.pawfal.org/dave/blog/tag/scheme-bricks/
Livecoding is awesome, and one of the coolest resources when I started getting interested in it was pawfal.org and Fluxus. What an interesting way to represent s-expressions.