A 27 minute feature about UK’s early electronic music:

Part 1: http://www.youtube.com/watch?v=zv2mCRvD6L0
Part 2: http://www.youtube.com/watch?v=RX87F2noUR8
Part 3: http://www.youtube.com/watch?v=6fZ3a7OD7iU

The award winning animation movie by Richard Williams “The Little Island” with music by Tristram Cary (1958), on Google Video (33 minutes)
http://video.google.com/videoplay?docid=-2438769051884256792