This recording was from August 17, 2007, at the Yoga House, Edina, MN. I didn't realize the demo had been recorded and posted until just recently. I attended two sessions from that workshop weekend - absolutely fantastic.
David Swenson Demo.
And since I was parusing youtube in awe and facination (do you relize just how MUCH is on there?) I found a couple other things to draw your attention to. These are from David's Primary Series Video.
Here is a video of the Sun Salutation as done by Mr. Swenson. Please note, he has the ablity to go from up dog to down dog by pushing backwards. Watch here.
And I've always liked this bit: Swenson on Ashtanga Flow.