クールジャズクールジャズMeanings1nouncool jazzRefers to the jazz style that emerged in the late 1940s and 1950s, characterized by relaxed tempos and lighter tone, in contrast to bebop.マイルス・デイヴィスの『クールの誕たん生じょう』はクールジャズの名めい盤ばんだ。Miles Davis's 'Birth of the Cool' is a classic cool jazz album.