Richard Wolff's Presentation https://youtu.be/94bujgxOz6U?t=1538 Link to full CCBsession including music https://www.youtube.com/watch?v=94bujgxOz6U CCB's Youtube Channel with the last years events https://www.youtube.com/channel/UCxzqBfbtvnhNKWmzpCm0lIA