The 1920s—the “Roaring Twenties”—launched the “Jazz Age,” but the 1930s continued the revitalization of popular music with the popularity of big bands, which played largely in big-city nightclubs and similar venues One of the most prominent nightspots in New York City was the Cotton Club in Harlem, where numerous Black entertainers got their start in the business. One of the names closely associated with the Cotton Club is that of Cab Calloway, seen here directing his orchestra as a crowd of New Year’s Eve revelers dance.