Maybe it was part of his schtick but johnny often bragged about not practicing. He wanted the concerts to be raw. The mistakes were part of the art.
I played guitar for a while and didn't have much trouble playing them and I was barely adequate at best.
The hardest song for me was California Sun. I just couldn't figure it out until I realized it had 4 chords instead of three. I learned later that it was a cover.
