Few artists have become as mythical or taken a more circuitous route to fame than Detroit, Michigan's Sixto Rodriguez. A commercial nonentity in the late '60s, Rodriguez chronicled personal apocalypses and a cratering Detroit with hard-hitting, Dylan-inspired imagery over richly embroidered folk-funk. After quitting the business for a day job, the singer/songwriter gained fame in Australia, New Zealand, and South Africa, where his debut masterpiece, Cold Fact, went multi-platinum. Finally unearthed in the late '90s, Rodriguez saw his discography reissued to ringing (and decide...