Today on BBC Radio 4 I heard a fascinating programme called 'Charisma - Pinning Down the Butterfly'. Click here to listen again and reveal the mystery of the X factor.

There are two ways an audience can really show their appreciation: give you a standing ovation and buy a CD. One's good for your ego, the other pays your bar bill.

If you're stuck with something, I'd love to help. I am available to hire for private consultancy and training but if you have a quick question about your show, click Read More and post it as a comment. I will do my best to answer it, free of charge.