Some fascinating info in this great article in the Peter Stone Brown archives (Thanks Trev Gibb!).
It wasn't Bob, or even Benmont Tench playing that piano on Murder Most Foul, it was Alan Pasqua! And much of the guitar was Blake Mills, who - in what seems an unusual move for Dylan guitarists - has actually shared the guitar parts on Instagram. That's a first as far as I know.
It's all
HERE