I don't ever want something that I didn't do because I was afraid of it or I didn't think I'd be good at it - within reason. Obviously I'm never going to be able to play the trumpet.

Led Zeppelin is just a bunch of stupid idiots who wrote cool riffs.

An acoustic show is all about you, and any little nuance or mistake is amplified.

When you're having a conversation with someone who, despite his brilliant medical career, says he's going to produce the film, you think, "How's he gonna do this? Is he insane, or is he really going to pull this off? It might be both." It's really amazing to see someone do what he's done.

There's something about losing friends, particularly young people, where it's not something that you get over. I don't believe there's a healing process.

I can go from one extreme to another, from playing at the Sydney Opera House on the Songbook tour to shows with Soundgarden at Voodoo Fest, all in a week.

'The Beatles' did whatever they wanted. They were a collection of influences adapted to songs they wanted to write. George Harrison was instrumental in bringing in Indian music. Paul McCartney was a huge Little Richard fan. John Lennon was into minimalist aggressive rock.