Before I do anything, I think, well what hasn't been seen. Sometimes, that turns out to be something ghastly and not fit for society. And sometimes that inspiration becomes something that's really worthwhile.
Ron Howard is as good a person as you could want to work with on film. He never lost his cool. He's the most easygoing, lovely man, but he's got this enormous intelligence and a wonderful humanity.
I'm amazed at how adventurous and how dangerous the music was, and still is. I haven't heard anything like it since. I'm quite surprised, because a lot of the music on there we never heard at the time.