What I have to say is all in the music. If I want to say anything, I write a song.

We were pretty good mates until the Beatles started to split up and Yoko came into it. It was more like old army buddies splitting up on account of wedding bells.

Most people don't know that I invented the selfie.

I was impossible. I don't know how anyone could have lived with me. For the first time in my life, I was on the scrap heap, an unemployed worker.

It's not unusual for writers to look backward. Because that's your pool of resources. If you were to write something now, I bet there's a pretty good chance you'd call on your teenage years, your experiences then, stuff you learned then.

And what's the point of changing when I'm happy as I am?

I think that selling rights is a bad move commercially, not just morally. It cheapens the songs. When people come to my concerts, they often hold up candles when we do "Let It Be." I don't think they'd do that anymore if the song suddenly became part of an Oldsmobile ad.