Most books on the American musical are little more than exercises in nostalgia. The specially commissioned essays that make up Approaches to the American Musical take a different view of the form. Going beyond the common assertion that musicals are simply escapist; these examinations of American stage and film musicals argue that Porgy and Bess, Top Hat, Kiss Me Kate and All That Jazz were popular precisely because they engaged with such important American issues as ethnicity, commerce and international relations.