It's like a record, when you make a record and you mix it and it sounds good and then it's mastered and you hear the mastering when it's all been heightened and all that and it sounds better still - it's the same thing with a book.
Our first time in America wasn't a very good tour because they didn't know us because we hadn't had a hit record.
Everybody in the band does it for the same reasons, as I do, to have a good time and send the crowd home with smiles on their faces.