In his book which is an appreciation of the popular art the author takes us on a fleeting excursion through the evolution of pop - from ragtime to hot jazz and in to the swing era - a fascinating insight into the early Broadway Musical and the birth of the talkies.The emergence of the Great American Song Book and the influence of Al Jolsons career on popular singing; his relationship with the principal song writers and how he inspired the great vocal stars who followed including Ethel Waters Bing Crosby Judy Garland and Frank Sinatra.