The Baptist preacher J.M. Gates was one of the most prolifically recorded black artists of the early 20th century, with over 200 sides on wax between the mid-'20s and his death in 1940 (he once recorded 23 titles in a week, at just two sessions). His sermons and musical numbers appeared on a variety of labels (Victor, Bluebird, Okeh, Gennett), though Gates often re-recorded his most popular sermons -- "Death's Black Train Is Coming," "Oh Death Where Is Thy Sting," "Goin' to Die with the Staff in My Hands" -- for multiple labels. Born in 1885, Gates ministerd at Atlanta's Calva...