"10 Life Lessons from Dave Grohl's 40 Years of Rock Music"

Dave Grohl, frontman of Foo Fighters, shares 10 life lessons he learned during his 40 years in rock and roll, including the importance of not judging a book by its cover, the existence of only two types of people in the world (rockers and non-rockers), and the fact that fronting a band isn't for everyone. He also talks about his limited drug career, the relative concept of being cool, and the importance of wearing his heart on his sleeve.