After he died in the backseat of a Cadillac at the age of twenty-nine, Hank Williams?a frail, flawed man who had become country music's most compelling and popular star?instantly morphed into its first tragic martyr. Having hit the heights in the postwar era with simple songs of heartache and star-crossed love, he would, with that outlaw swagger, become in death a template for the rock generation to follow. But unlike those other musical giants who...