Bob Dylan’s Lay Lady Lay is probably based around the fun visual of playing the bar chords like a children’s game A C#- G F#- : 5th fret, 4th fret, 3rd fret, 2cnd fret
Most people who play guitar and familiar with some theory know that in singer songwriter world, usually songs use a combination of 1,4,5 and maybe the 2, 3 or 6 minor too. but I bet this one was built around the fun of the sequence visually.
To test my theory I wrote and asked him, email@example.com but he hasn’t responded yet probably will tomorrow.
I had the good fortune of playing with Tabby Johnson in May at a party for his Bobness’s birthday. She did a whole other spin to it.