Stephen Calt is the author of two acclaimed musical biographies, King of the Delta Blues: The Life and Music of Charlie Patton (Rock Chapel Press, 1988) and I'd Rather Be the Devil: Skip James and the Blues (Da Capo Press, 1994). He lives in New York City. Richard Nevins is a musicologist and co-founder of Shanachie Entertainment, an independant record label that began in 1975 specializing in Irish folk music, eventually expanding into jazz, reggae, blues, folk, rock and other genres. Terry Zwigoff is the award-winning director of the documentary Crumb.