Professor of Folklore, Ph.D., University of Texas at Austin (1990)
Anglo- and African-American folk music and song, American roots music (blues, bluegrass, country, gospel, soul, r&b, and rock & roll), folklore of the southern United States, world folk narrative
The Coon in the Box: A Global Folktale in African-American Tradition (with David Evans) (2001),
Big 'Fraid and Little 'Fraid: An Afro-American Folktale (1993)
78 Blues: Folksongs and Phonographs in the American South. Jackson: University Press of Mississippi, 2008.
American Music, Folklore, Journal of American Folklore, Journal of Folklore Research, JEMF Quarterly, Southern Folklore, as well as numerous book chapters