Willie Mabon

Willie James Mabon was an American R&B singer, songwriter, pianist, and harmonica player. He had two number one hits on the Billboard R&B chart, "I Don't Know" in 1952 and "I'm Mad" in 1953. From Wikipedia (https://en.wikipedia.org/wiki/Willie_...) under Creative Commons Attribution CC-BY-SA 3.0 (http://creativecommons.org/licenses/b...)