I remember Emmett teaching me this chord on piano when I was, like twelve or thirteen, before The Stick or Stick Enterprises was a twinkle in his eye. He was heavy into
Eric Dolphy at the time.
Then later, when I was eighteen, I returned the favor by giving him my new
"Fresh Cream" album, when I decided I wanted to join a monastery (a whole different story).
Notice how the album starts with the E7#9th chord of
"I Feel Free."[youtube]http://www.youtube.com/watch?v=l1QihWLLKGY[/youtube]