In Irish law, busking is considered vagrancy - you can be arrested for it. It's risky asking people for money in public. So it's not like it's a high-art job. And people who do it as a high-art job make very little money.

I think inside every rock journalist, there's somebody who wishes they had the courage to live the life that they're not, and that they're writing about. But at the same time, inside every songwriter, I guess there's a wish for happiness.

Sadness is a very interesting idea, this idea of sadness being some kind of default setting that artists will go into. And then I started thinking about this idea of sadness and happiness, and the idea that sadness is very loud, and happiness is quiet.

There's this unspoken thing that you have to wear a tux and some kind of nice dress. There are all these ethical rules, but I'm sure if you came to the Oscars in ripped jeans and a t-shirt they wouldn't throw you out. You would just look like a fool.

Relationships can be about yourself, they can be about you and your god, you and your people, you and your family. It can be about a lot of different stuff. And it is.

Everything about singing, I learned from busking. Everything I learned about songwriting, I learned from busking. Busking, you learn people, you learn about reading people. You learn about reading the atmosphere of the street. If you stand still in any city long enough, you see everyone pass you by. It's almost like you get to know personality types, just by watching people walk past. You get a sense for things.

There are people who can sit down and write a song about any given subject, and they can do it really, really well.