"You're going out there a youngster, but you've got to come back a star!" The film that launched the Golden Age of Hollywood musicals, 42nd Street traces the creation of a Broadway show from its first casting call through its blockbuster opening night--when the leading lady twists her ankle and a young chorus girl (Ruby Keller) takes her place and becomes a star. Special Features: 3 Vintage Featurettes: Harry Warren: America’s Foremost Composer, Hollywood Newsreel, A Trip Through a Hollywood Studio, Retrospective Featurette: From Book to Screen to Stage, 2 Vintage Warner Bros. Cartoons: Shuffle Off to Buffalo, Young and Healthy