 Mike Campbell has a new album with his band The Dirty Knobs. Campbell describes his evolution as a musician as confident but still striving to improve. I pick the guitar up, I might noodle around. As soon as I get something that sounds good, I go, well, that could be a song, and I'm into the songwriting mode. So I'm always chasing the songwriting muse. It's a magical gift that I really treasure. I kind of play the same way I've always played, but I have a little more attention to detail and nuance. You know, and I'm not like a show-off player, but I try to...