Blues lyrics and Blues folklore is permeated with Black Magic, Voodoo and other superstitions / alternative religions. Black Cat Bones, Mojo Hand, Johnny Conqueroot, Voodoo, Gris Gris, all part of the slavery roots of black musicians. Listen closely to Muddy Waters lyrics. Rumour has it that Robert Johnson sold his soul to the Devil for success in music, meeting the man from the underworld at the Crossroads at midnight. Picture ©copyright Brian Smith One of the best exponents is Screaming Jay Hawkins, followed closely by the Voodoo, Ton Ton Makoot style of early Dr John.