There's nothing bigger than being asked to perform at the Super Bowl.

It's not unusual for writers to look backward. Because that's your pool of resources. If you were to write something now, I bet there's a pretty good chance you'd call on your teenage years, your experiences then, stuff you learned then.

The medical argument for animal testing doesn't stand up. Even if it did, I don't think we should kill other species. We think we're so much better; I'm not sure we are. I tell people, We've beaten into submission every animal on the face of the Earth, so we are the clear winners of whatever battle is going on between the species. Couldn't we be generous? I really do think it's time to get nice. No need to keep beating up on them. I think we've got to show that we're kind.

I'm not really comfortable singing without accompanying myself on stage - I'm not used to it.

I had this song called Helter Skelter, which is just a ridiculous song. So we did it like that, 'cuz I like noise.

My record producer [David Kahne] said the major record labels these days are like dinosaurs sitting around discussing the asteroid. They know it's going to hit. They don't know when, they don't know where it's coming from. But it's sort of hit already. With iTunes, and all of that.

My stepmother sold my birth certificate and someone asked why I didn't buy it back. I don't know, really. I just couldn't bring myself to do it. It was mine. It cost me nothing and suddenly I had to buy it back.