Out of all those millions and millions of planets floating around there in space, this is our planet, this is our little one, so we just got to be aware of it and take care of it.

My mum died when I was 14. That is a kind of strange age to lose a mother. John lost his mum when he was 17.

When we were starting off as kids, just the idea of maybe going to do this as a living instead of getting what we thought was going to be a boring job, was exciting.

The most important ingredient to making a song work is the magic. You've got a melody, you've got words, but on the more successful songs, there's a sort of magic glow that just happens and you can feel it happening. It just makes the songs sort of roll out.

A lot of the Beatles albums were very various, and we did it on purpose: We didn't want the next track to sound like the last one.

Looking back, I think I was always musical. My dad was very musical, and I think my mom was musical.

Some people don't believe in climate warning - like those who don't believe there was a Holocaust.