Tangerine Dream - Improvisation (1976)

This clip might have been posted elsewhere already, but i think it's worth watching over and over again. ;-) Gear porn at it's best: Tangerine Dream (Froese, Franke and Baumann) playing an improvised set on German TV in 1976. Embedding is disabled by request, so you need to click the link:

http://www.youtube.com/watch?v=W1PmlM57s_Q