Downbeat

Downbeat, down beat or Down Beat may refer to:
 * Downbeat and upbeat, the first and last beats, respectively, of a measure in music
 * DownBeat, an American jazz magazine
 * Downtempo or downbeat, a laid-back electronic music style similar to ambient music
 * Down Beat, the NATO reporting name of the Leninets PN radar carried by the Russian/Soviet Tupolev Tu-22K and Tupolev Tu-22M bombers
 * Downbeat Jazz Club, a jazz club in New York City