There is no easy anwswer to this question. Paul Simon. Dylan, Ray Charles, Zappa, Lennon, Eno ,Quincy Jones, Rolling Stones, Prince, Duke Ellington, Woody Guthrie, Robert Johnson, Mozart, Michael Hedges, Hendrix, Les Paul. Umm...My Dad. My Mood, Me?
What is the Criteria.
I would Vote to refrase the Question as Who is our own greatist influence?........Mine is still the list above, and add a few.