Erlmann, Veit. AFRICAN MUSIC: A BIBLIOGRAPHICAL GUIDE TO THE TRADITIONAL, POPULAR, ART, AND LITURGICAL MUSICS OF SUB-SAHARAN AFRICA, by John Gray, Greenwood Press, New York, 1991, xii + 499pp, 3 appendixes, 4 indexes. 1996. International Library of African Music. Africa Multiple Interactive Research Atlas (AMIRA). https://doi.org/10.21504/amj.v7i3.1974.