"Mad World’ is a great song and it has some personal significance for me. When I was on American Idol - you know how when you're on these competition shows, and you have these moments? - it was like my big moment. It was the one that people talked about for a while. “I remember the first time I heard the version by Gary Jules, which is in Donnie Darko. That was the version where I was like 'What?' Both versions of ‘Mad World’ are so brilliant and I think the thing about the song itself that's so brilliant is that it's talking about being disillusioned or disenfranchised as a youth, and with society, feeling like an outsider, and feeling like your voice doesn't matter. I would guess that the song is about dark times. “I think that now we're in a time where things like suicide and bullying and identity politics are so in the forefront of the conversation, but I think that when this was written, angst was more of a sort of mysterious thing and I think that's the brilliance of this song. It's talking about something that not everybody talked about at that point."

"Is this the ultimate in production? It’s probably one of them. I think you’ll find The Beatles might say that! They were always in competition at that point. You know, I’ve obviously spoken to The Beatles a lot but I like every track on Pet Sounds; I think they’re all equally as good. I couldn’t even pick one out if it because the arrangements were so unusual at the time. I remember it was ’66 and in some parts it sounds like an old dance band. I’d think, ""wow""! That’s so old fashioned yet so brand new at the same time. The arrangements were weird with these big harmonicas and funny, deep saxophones and plain little paper cups and playing the drums on them. What the hell was that? Brilliant! Brian [Wilson] was absolutely marvellous. Luckily for me, I did get to work with him and we wrote a song together called ‘Let It Shine’ on his album, Brian Wilson, in about ’89 or something. I got to know him quite well and he was a lovely guy and we wrote this tune and it was very nice and I’m really glad that I did."