Otis Spann (March 21, 1924 or 1930 – April 24, 1970) was an American blues musician, whom many consider to be the leading postwar Chicago blues pianist. https://en.wikipedia.org/wiki/Otis_Spann
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Otis Spann (March 21, 1924 or 1930 – April 24, 1970) was an American blues musician, whom many consider to be the leading postwar Chicago blues pianist.