Roy Harper's not one of those names that people associate with the classic rock of the 60's and 70's, but the guy has hung out with the best of rock royalty and inspired more than a few legends of rock. His place in popular culture will be secured because he's namechecked in the title of a song on Led Zeppelin's third album - Hats off to (Roy) Harper.
Back when I was going through the period I call "My Led Zeppelin Obsession", I decided t...