What you learn from working with other performers and musicians is invaluable, really, and can only help you grow. I mean, if you spend your whole life focusing on yourself, you're not really learning much.

I like to put my iPad on the window and leave it there for however long the journey is, so that I'm staring out, and it's staring out. We're kind of staring out together. It's very poetic to me, watching that absent-minded passing of time. You realize how much you've taken in. What is left of that memory of you staring out of the window for an hour? It's all on the iPad.

I'm slightly ambivalent to the whole relationship between the whole advertising world and music. I think sometimes it works and sometimes it's a really bad mismatch. I think on this occasion its fine because the iPod is like your own mini-library and that can't be a bad thing. It promotes eclecticism and that's very much what we are about so it's a good relationship.

The whole period has taught me that I enjoy being part of an ensemble rather than just a front man. Don't get me wrong - I enjoy that too, but I get more enjoyment out of really listening to everyone.

The whole Gorillaz concept is one for mavericks; it's a way for people who never have a chance to work together being able to ally behind the cartoons.

And there are no stars and that you're never really sure who's doing what and what voice is what and, you know what I mean? It's supposed to be quite elusive

I used to go to work and take heroin in the studio and then stop when I came home.