Garth Hudson — Canadian Musician born on August 02, 1937,

Eric Garth Hudson is a Canadian multi-instrumentalist. As the organist, keyboardist and saxophonist for Canadian-American rock group The Band, he was a principal architect of the group's unique sound. Hudson has been called "the most brilliant organist in the rock world" by Keyboard magazine... (wikipedia)

The reason I dislike talking about the creative process is that I do have a creative process that is a winner and it's a sure thing.
Unfortunately or fortunately, in order to become acquainted with the idiom of country or rock music, it is necessary to occasionally play in a bar. Bars are a rehearsal place.