Relevance is a big, big question. It's more about what's your definition of being relevant. In the music world, agism is a big issue. It's about youth and youth culture. There's no other art form that I know that requires you to be a certain age.

And if I had to spend 20 years in the band just to play that show, I think it would have been worthwhile.

I love the Elvis movies. I used to watch them. In every single one of his movies he wasn't acting as a car salesman - he was acting as a car salesman who loved to play guitar.

Relevance is a big, big question. It's more about what's your definition of being relevant. In the music world, agism is a big issue. It's about youth and youth culture. There's no other art form that I know that requires you to be a certain age.

If Bono left, we could carry on. If I left, we'd be screwed.

It's a tough life being a pop star. You know, at the end of the day when you've paid all the bills and put the kids through college and that, you know, there's only enough left for a small island off the South Pacific.

Unfortunately, as far as the music is concerned, what defines relevance is whether you are on the radio or whether you are on the cover of a magazine or whether you're winning MTV awards, and so on and so forth.