(Living) Silvio Rodriguez, Daniel Barenboim, Leo Brower, David Bowie, Andres Kisser, Paco De Lucia, Gabriel Garcia Marquez, Max Cavalera, more can't come to mind right now. (Deceased) Frederic Chopin, Fyodor Dostoevsky, Federico Garcia Lorca, Jackson Pollock, Salvador Dali, John Lennon, Dimebag Darrel, Nietzsche, Aleister Crowley.