Variety selected 80 of the best or most undervalued interpretations of Dylan’s work ever recorded. Was that sufficient covers coverage? The answer is clear, if you at all appreciate the catalog of the man often revered as rock ‘n’ roll’s greatest songwriter: 80 is not enough, any more than eight would be.That’s why, to cap off Dylan’s birthday week, we’ve come up with 50 more must-hear tracks from among the untold thousands that exist to be mined.