The musical has long been recognized as one of the few distinctively American art forms. How far do these roots result in an ‘Americanism’ of ideological content – and how, indeed, does one measure the ‘content’ of a musical, with its fusion of the spoken word, song, and choreography? David Hirst, who teaches in the Department of Drama and Theatre Arts of the University of Birmingham, here examines the problems of critical methodology posed by the musical form, and also traces the development of the musical as an expression (at times a critical expression) of the American way of life and the ‘American dream’. After demonstrating its reflection of themood of the Depression era, he analyzes its response to the social and political mood of the war and post-war years, and to the changing standards which made Hair an international success, yet which have consigned the work of Sondheim to Broadway failure – in a world where ‘failure’ and ‘success’ carry their own, pervasively American connotations.