I confess I am largely ignorant about this guy, but I do love this particular song. I daresay that might elicit the same kind of reaction from you that I would experience if someone were to say to me: "Oh yeah, that Laurence Olivier bloke... He was Zeus in Clash of the Titans, right?" However, I can only apologise for my musical ignorance, and research this Clarence Clemons further, per your urging.