That doesn't matter. If it speaks to them and they get something positive from it, it's great.

It's not that I don't like American pop; I'm a huge admirer of it, but I think my roots came from a very English and Irish base. Is it all sort of totally non-American sounding.

If ever there's been somebody to hold as an icon of sheer determination and willpower, it's that guy [Stephen Hawking ], let alone any of the things he's done scientifically. I'm sure that's his driving force, but he's a miracle and an aspiration.

Music is like comedy in that you can enjoy a very - for want of abetter word - sophisticated classical piece as much as you enjoy something that's very simple pop.

Normally I don't compromise at all but it felt important to give that song the chance to be heard.

The world is continually changing. I think in some ways it's changing in a very positive way.

I think snow is so evocative and has such a powerful atmosphere.