Ray Charles

Ray Charles is one of the great artists not only because he overcame his disability but also developed the new style of music that is called soul music, combining R&B and gospel music. I want to know more about his childhood that created the basics of his music style and character. Was there any discrimination against him? And how did he learned to play the piano? Did he had his own teacher of piano or learn by himself? If there was a teacher, how did the teacher teach him to play the piano? I think it was really tough to teach him because he cannot read notation and even see keyboards he plays.