It gives them a certain level of comfort.

Some people feel it is a wonderful thing, providing patients with control they need. We have other people who either on ethical or religious grounds see it as an abomination.

Creativity takes courage. Not just once, but consistently. Without courage we cannot be creative. Without feeling fear at some point we will not reach our creative potential. From first putting paint on paper through to selling our work on a worldwide stage there is plenty to be scared of. But this is where creativity lives – on the edge of our comfort zones.

Aside from what they did musically, the Beatles were great ambassadors. They made everything English very cool at the time. By the time we got (to America), everyone was ready for us. Just the fact that we were English opened every door for us.

What's really fun is seeing mothers bringing their daughters to the shows. And the best part is the mothers know they don't have to worry about sexual innuendo in the songs. The shows are family shows.

I'm spoiled - in all ways. I've been in a rock 'n' roll band since I was 13, and we had incredible success. When it ended, it had been so good that I just looked at it as time to try something different.