Daniel Lanois:
“I think Bob always appreciated the projection from the artists, the singers of that era, and I believe you can hear it in his tone as well. But it deserves to be said that Bob is not only a master of the word — he’s also a master of phrasing and has a very beautiful deep voice. And so, he’s got a lot of advantages.
“And he likes the sound of all of those records, those vibrant records from the ’50s; the early rock and roll records. And when we worked together, he recommended a bunch of those records for me to listen to. I knew some of them, and it was nice to go back to them and hear what Bob was talking about: the sound of something vibrant and unfolding, where it’s more of a document rather than building a monument.”
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https://www.guitarplayer.com/guitarists/bob-would-come-back-the-next-day-i-think-i-bettered-the-lyrics-let-me-try-another-third-verse-inside-bob-dylans-secret-weapon-for-recording-a-pair-of-masterpiece-albums