Arts Society Tring Park, Berkhamsted Civic Centre, 10.30am. Look at the part African Blues and Cakewalk, American Classical and Vaudeville, Latin American Dance, and Middle Eastern Klezmer all played in the story of jazz. Also enjoy some of the greatest musical artists of the twentieth century: Louis Armstrong, Benny Goodman, Artie Shaw, Ella Fitzgerald and Duke Ellington. Speaker: Emma Johnson.