Although some of their music was influenced by early blues musicians, I don't think that Led Zeppelin actually did any covers. I may be wrong, i just cant think of any.
Im afraid the bands that you've listed are not anywhere near musical geniuses. There have only been a handful of musical geniuses in the history of rock, and they are as follows
-Jim Morrison
-Robert Plant/Jimmy Page
-Roger Waters/David Gilmour
-John Lennon
-Mick Jagger/Keith Richards
-Pete Townshend