There are many tales of people achieving all sorts of fortune and fame by selling their souls to the devil. Blues guitarist Robert Johnson is probably the most famous subject of that tall tale. The legend goes that he offered his soul at a Mississippi Delta crossroads, and in return he would receive musical success and talents beyond his wildest dreams. And, yes, to this day he is considered a pioneer of American blues guitar and songwriting. But the devil is in the details. And with a life so shrouded in mystery, it’s hard to separate fact from his very appealing fiction.