It's not instant composing; it's not following any kind of a formula. All you do is hear music in your head and reproduce it.
Lennie TristanoYou could make your fingers reproduce exactly what you felt, if you really worked at it. I achieved it, not only spending a lot of time at the keyboard but finding ways I could make my fingers reproduce my deepest feelings. It meant, when you hit a note with a finger, you sank into that note all the way to the bottom of the keyboard until it went pow! Right?
Lennie Tristano