Whats your favorite cover song, why, and how have you made it your own?

Everyone who is anyone knows more than a few cover songs, that is if you're a musician. I remember the first song that I learned on guitar, "Knocking on Heavens Door" by Bob Dylan, Ive always tried to add a little bit of my own style to it. Its just one of those songs that you can't help experiementing with. Ive played this song live, always with more than a modicum of emotion because i love this song so much. No matter how much we tamper with it, no one can top Dylan, he has a certain flair thats indescribable and that can't be taken over. I guess its not enough to learn certain songs note for note, what really matters is what you're getting unconsciously from certain hidden elements.

-Joseph :)