He's always been a good, smooth acoustic player, but the electric seemed like an untamed beast for him until this year.

He's been working on his electric guitar since we've been off the road, ... He's always been a great acoustic player, but the electric always seemed to run out of his hands. Now, I think he finally tamed the beast.

Mick playing great guitar helped, ... I sleep downstairs and the studio is upstairs. One night I thought I was hearing this old Muddy Waters track I didn't know, but it turned out to be Mick working on a slide part for Back of my Hand . He's always been a good, smooth acoustic player, but the electric seemed like an untamed beast for him until this year. When I heard him this time I thought, 'My God! The boy's finally got it'.

It was all built on two acoustic guitars, and in such a sparse and stripped-down way that if you tried to elaborate on it later you'd lose the whole essence of it.