"The next album is like the end, end, end," he told WSJ. "The trite way to say it is I'm over rock 'n' roll. Which is strange because rock 'n' roll is getting back into me. For a lot of years, I cared too much and wrestled with what it meant to carry on a legacy.

"My legacy was greater in my mind than what other people were giving me credit for. When I started to go off it, people started to say, 'Oh, by the way, you were really good. Can you start playing that s-t again?'"