I have not looked at the video yet; I bought it as soon as I saw it though. I took one class with Peter, a 5-week course on ATTYA: structure, melody, Peter-style substitutions, superimposed arps, etc. There were 5 in that class. It was 90 minutes each and we played a lot in each class. He has an enormous syllabus that we get, and each class is recorded so we can re-watch. Today, I finished the second class, ATTYA- Beyond the Head; Peter's techniques for soloing based on 13th chords, superimposed arps, and the previous chord substitutions. There were only 4 in this class, so we got a lot of interaction. I wish I had done these 20 or 30 years ago.