"One of the key pieces to [ZZ Top's] sound is the fact that as musical instrument manufacturers starting inventing new contraptions to play on, we embraced them with a sense of experimentation,” remembers Billy Gibbons with a laugh. “Of course, as the old saying goes, we instantly threw the manuals out the window. So a lot of that stuff was purely experimental, and at the same time we didn’t hesitate to embrace it. It was really interesting. ►