Duff, On Gospel Music

Duff on gospel music in the Hadiyya area:

Duff_On_GOSPEL_MUSIC_2022.10.31_Web

Source: Duff, Clarence W.
Cords of Love: A Testimony to God’s Grace in Pre-Italian Ethiopia –
As recorded in memorabilia of one of the Sudan Interior Mission’s “C.O.D. Boys”. Phillipsburg, NJ: Presbyterian and Reformed
Publishing Co., 1980.