There's a difference between trying to grade songs - "here are all Dylan's songs arranged in the correct order from best to worst" - and saying why some songs have been particularly important for us in writing songs or in living.

Grading to me seems a pointless exercise, and one which I find rapidly gets boring, though some people seem to love it. (Witness that stuff they've got on TV in the UK at present about "who was the greatest Briton" - which I've avoided watching, and will avoid watching.)

Picking out songs that have affected us makes more sense, but I think I'd find it impossible to say which are the ones which have affected anything I've written, and I think most people who have written songs probably would be like that. It's maybe easier to listen to someone else's songs and say "I bet that they'd been listening to such and such." Or reading such and such a book. Or looking at such and such a picture, or film.