A little over 60 years ago, the editor-in-chief of DownBeat magazine asked John Coltrane and Eric Dolphy a deceptively simple question: What are you trying to do? He rephrased slightly: What are you doing? The two saxophonists sat for a long 30 seconds before Dolphy broke the silence. “That’s a good question,” he said. The DownBeat editor, Don DeMicheal, printed …