In reply to Timmd:
Yeah, seems to me there's never been any shortage of the guy shrugging off popular adulation, everything you hear about him from the 60's involves his ambivalence or even disdain for being adored, and yet the massive cult built around despite it and there's been a million imitators.
When I saw him he was already a dinosaur by about two decades, icon not iconoclast, and the crowd were mostly balding old hippies in waistcoats, no one was there for the music, they were there for the man, and he was every bit as aloof and workaman as I expected. The folksy singalong thing I think was a product of flower power radio, I tend to see him as more protopunk (but then I see everything as that....).
Something interesting is his iron work. I saw some maybe 10 years ago, huge wrought gates. Apparently that's his real passion, coming from the Rust Belt and all, and he has a studio full of blacksmithing and welding stuff. Odd to imagine, but with a step back the connection is there.