http://www.youtube.com/watch?v=E-P2qL3qkzk#at=76
http://www.youtube.com/watch?v=KCpLXpMB7F8
http://www.youtube.com/watch?v=E-0c-y5aN_g
http://www.youtube.com/watch?v=fXynrsrTKbI
http://www.collectorsweekly.com/articles/mad-scientist-of-analog-synthesizers-and-atari-punks/