On my e-list, arguments were flying over the longevity that rock music can sustain, whether or not Bob Dylan or Jim Morrison is the better song lyricist (Morrison is- although I, not Dylan's supporters, made the best case for him), and several other musical queries.
Naturally, things got to guitarists, and after the usual suspects- Jimi Hendrix, Jimmy Page, Jeff Beck, Eric Clapton, Eddie Van Halen- I posited that Roy Clark might well be. Who's he?, quoth you youngsters.
Take a gander: