And "what works" is the philosophy that gave us Take That and Girls Aloud and (shudder) Atomic Kitten and the Sugarbabes and, even worse, the Pussycat Dolls

And Martin Carthy and the Watersons and Bob Dylan and bruce Springsteen and Ralph McTell....you think these artists don't know what works. You think their work was arrived at in a moment of careless rapture.....