In the early 1970s, Sixto Rodriguez was a Detroit folksinger who had a short-lived recording career. Unknown to him, his musical story continued in South Africa where he became a pop music icon. Long rumored there to be dead, a few fans in the 90s decided to seek out the truth of his fate. What follows is a heartening story in which they found far more in their quest than they ever hoped, while a Detroit construction laborer discovered that his lost...