Cold war, nukes, and Coltrane. Can your hear the key changes? We learn how to listen to ourselves. We learn what to do with what we hear Improvisation exists in all spaces of performance, including in endurance sport. How do we shift into that space where not following the plan is the best plan? Improvisation exists in the strange space between fixed pieces of discrete knowledge and the unconscious. If we can get into that space we can learn to fly.