There's a lot of Dylan songs that haven't been performed better by someone else, mainly because they weren't performed by someone else.
Oh, God said to Abraham, "Kill me a son"
Abe said, "Man, you must be puttin' me on"
God said, "No" Abe say, "What?"
God say, "You can do what you want, Abe, but
The next time you see me comin', you better run"
Well, Abe said, "Where d'you want this killin' done?"
God said, "Out on Highway 61"