It's traditional music from the on going world. Music that goes around the world. It's a musical category passing many different styles of music from around the world, including traditional music, quasi-traditional music, and music where more than one cultural tradition.
He only started painting when he was 27 years old. His life is documented on the letters he has wrote. Before declaring he was an artist, he attempted many other careers. For most of his life he had a mental illness. He cut off his own ear.