The Smithsonian’s curator of American music explains how the history of two great American innovations—Jazz and baseball—are intertwined
(I enlarged the picture so if you want to see it, just click on it)

Louis Armstrong’s Secret 9 baseball team, New Orleans, 1931. (Courtesy of Louis Armstrong House Museum.
Armstrong attends a Mets game at Shea Stadium in the 1960s. (Courtesy of the Louis Armstrong House Museum, Jack Bradley Collection.)
Louis Armstrong attends a Mets game at Shea Stadium in the 1960s. (Courtesy of the Louis Armstrong House Museum.)
Duke Ellington and band members playing baseball in front of their segregated motel (“Astor Motel”) while touring in Florida. (Charlotte Brooks, photographer, LOOK Magazine Photograph Collection, Library of Congress, Prints & Photographs Division)