catalog of Dr. Howard's extensive collection of drums. L.A., CA. Waterman, Christopher A., 1990. Juju: A Social History and Ethnography of an African Popular Music. University of Chicago Press. Dietz, Elisabeth Hoffmann, Olatunji, 1965. Michael Babatunde, Musical Instruments of Africa; Their Nature, Use, and Place in the Life of a Deeply Musical People. John Day Company African drums Hand drums Yoruba music