By the late Fifties and early Sixties I'd moved on from my rockabilly roots to become a confirmed folkie, just starting to head into an every-day-since love of the Blues. But The Beatles and Stones, and Dylan's adventurous changes leading into The Byrds, made me take another look at rock music. I began writing rock criticism for various magazines, including Rolling Stone back when it mattered. And it was as a member of the press that I came to discover young musicians Gram Parsons and Chris...