James Keys Markham (March 16, 1941 – September 21, 2018) was an American harmonica player and singer. Inducted into both the Oklahoma Blues Hall of Fame and the Oklahoma Jazz Hall of Fame, he is considered a pioneer of the "Tulsa Sound".
James Keys Markham (March 16, 1941 – September 21, 2018) was an American harmonica player and singer. Inducted into both the Oklahoma Blues Hall of Fame and the Oklahoma Jazz Hall of Fame, he is considered a pioneer of the "Tulsa Sound". (en)