Among the earliest and most influential Delta bluesmen to record, Skip James was the best-known proponent of the so-called Bentonia school of blues players, a genre strain invested with as much fanciful scholarly "research" as any. Coupling an oddball guitar tuning set against eerie, falsetto vocals, James' early recordings could make the hair stand up on the back of your neck. Even more surprising was when blues scholars rediscovered him in the '60s and found his singing and playing skills intact. Influencing everyone from a young Robert Johnson (Skip's "Devil Got My Woman" b...