Billy F. Gibbons:
“This was inspired by Peter Green's opening figure in [Fleetwood Mac's] "Oh Well." I was living in Los Angeles, sitting on the steps of this apartment. It was raining and I couldn't go anywhere, so I was trying to learn this figure. It got all tangled up. And it stayed tangled.”
Live version of ZZ Top's "Oh Well" (Peter Green moment of Billy F. Gibbons):
https://www.youtube.com/watch?v=nVlSkN-ytxM