I didn't attend, but I listened to the podcast. It was a very interesting discussion between Barry Schwabsky, Nora Griffin, Drew Lowenstein and Moderator David Cohen. Barry Schwabsky evidently hated the show so much he has decided that he no longer likes David Bowie because I listen to him, which I thought was pretty great. It was an excellent, thoughtful analysis of all six shows by all the panelists, and I am hoping to someday attend one of these discussions in person at the National Academy.
The podcast of the event is available for free at this link: