I think Led Zeppelin must have worn some of the most peculiar clothing that men had ever been seen to wear without cracking a smile.

I'm just lucky because my kids are grown-up - I love them, very proud of them, and we are in close contact as big-time friends, but they don't need me that much now and I can actually enjoy this wonderful world of music.

When I was a kid, the world was such a big place, and I had no idea that I would be afforded these great moments in between doing what I love to do.

How can you consider flower power outdated? The essence of my lyrics is the desire for peace and harmony. That's all anyone has ever wanted. How could it become outdated?

I do spend a lot more time away from the U.K., it's important to me that I still feel the beat of the people that have been close to me for a long, long time. It's also important that I have really strong and beautiful relationships which I wish to preserve. That enables me - or challenges me, ultimately - to get a Texas driving license!

I've been scared and I've liked not hanging on to stuff where I know that I'm in my comfort zone.

Back in my day, we called it rock 'n' roll, but then we always reminded listeners that it was no big deal if they didn't like it.