From Washington Square Park and the Gaslight Caf to WNYC Radio and Folkways Records, New York City's cultural, artistic, and commercial assets helped to shape a distinctively urban breeding ground for the folk music revival of the 1950s and 60s. Folk City explores New York's central role in fueling the nationwide craze for folk music in postwar America. It involves the efforts of record company producers and executives, club owners, concert promoters,...