"Sounds in the Dark chronicles the history and development of nighttime radio in the United States from its inception in the 1920s through to its present all-night format. Michael Keith examines and analyzes the attraction and popularization of nighttime radio in relationship to social, cultural, and industrial influences.". "Keith also hypothesizes on the future of the genre, discussing such concerns as consolidation, bottom-line emphasis, new forms of electronic media, and potential declines in live/local all-night programming. Whatever the future holds, Sounds in the Dark substantiates nighttime radio's unique contribution to the development of broadcast media."--BOOK JACKET.