filmstrip: the history of electronic music
http://blog.wfmu.org/freeform/2005/10/video_on_histor.html
Seriously, an old-fashioned film strip, complete with the little "ding" to announce that it's time for the next picture. Very dated, and very great. I've only done part 1 so far, but now I know how to pronounce "ondes martenot."