I'm uninspired for references today. Here's a Sonny Landreth concert. If you aren't a guitarist, you might not get everything he's doing, but a case can be made that he is the greatest slide guitarist alive. Or ever. And it was all a mistake. He started out trying to imitate Clarence White's playing with The Byrds, not understanding that Clarence wasn't playing slide. He was using a contraption he had devised with Graham Parsons called the B-bender, which bended just the B-string. Sonny heard that, tried to make sounds like Clarence, failed, and instead, invented new ways to play slide.
Such is how progress sometimes occurs.
If I were a wiser man, I'd figure out how there's a lesson in that. But, I'm not. I'm just some asshole who likes music.