1916 30 Sept. 3 (caption) Estelle Harris..appears at the Grand Theater next week with her jass singers and dancers.
1927 (title of film) The jazz singer.
1929 A. Huxley 57 He is employed as a jazz-singer on the music-hall stage.
1969 21 Apr. 17/7 No hard boundaries exist to separate jazz singers from run-of-the-mill night club performers.
2005 26 Sept. (London ed.) 34/5 He is the Starbucks of music: a so-called jazz singer for people who hate jazz.