THE SONGS THEY ARE A-CHANGIN' Thousands have bitten off Bob Dylan's catalogue, but only a few covers of his songs have become immortal. From The Byrds to Guns N' Roses, via Jimi Hendrix's unimpeachable All Along The Watchtower, we look at the covers where the students eclipsed the master

All roads lead back to Bob Dylan. On countless albums since 1962, across any genre, you can find that hallowed surname in the credits. Crunch the numbers--his catalogue of 600-plus [...]