"Jazz." . . "Dixieland music." . . . . "1941 - 1950" . . . . . . . . . . . "The Roots of Dixieland Jazz"@en . . . . . . . . "The roots of Dixieland jazz" . "The roots of Dixieland jazz"@en . . . . . "The roots of Dixieland Jazz" . . . . . . . .