Usually, in the studio, on this sort of thing... you just go out and have a play over it, and see what comes, and it's usually - mostly - the first take that's the best one, and you find yourself repeating yourself thereafter.
“I was about twenty and the Beatles were meditating and I heard about it and they had a center in New York and I came to the center and I learned about it.”
“At some point in my life, before I was gone, I wanted to make an album, even if it was for no reason other than posterity.”