Stage it with Music: An Encyclopedic Guide to the American Musical Theatre. By Thomas S. Hischak. Westport, CT: Greenwood Press, 1993. pp. 341. $45.00 hardcover.Sing Out, Louise! 150 Stars of the Musical Theatre Remember 50 Years on Broadway. By Dennis McGovern and Deborah Grace Winer. New York: Schirmer Books, 1993. pp. 232. $28.00 hardcover.