In the 1930s, Broadway's lights still burned brightly. Ethan Mordden completes his history of the Broadway musical by taking a look at this forgotten era. Shows like Anything Goes brought the glitter of Cole Porter and Merman's brass to the public. Innovations in dance were pioneered by Balanchine and others. Scenic advancements made Astaire's The Band Wagon move across the stage in novel ways. Gershwin's revolutionary Porgy and Bess entered the canon...