According to legend, the bluesman Robert Johnson sold his soul to the Devil in exchange for otherworldly musical prowess — guitar playing, singing and songwriting that would make him an idol, still studied and revered almost 80 years after his death.
Zeke Schein came to a crossroads, too, when he bought an old photo that he believes is only the third known image of Johnson. Johnson’s family, a prominent forensic expert and musicians who’ve been transformed by the bluesman’s recordings agreed with Mr. Schein.
