Imagine a party. It's not going well. The Levellers are playing on a loop, the vegan nibbles are untouched, and half the guests have wandered off. So you take over the stereo and slap on some mainstream rock. Pop open the Pringles, flourish some red meat, tell everyone "let's make this a REAL party!" People start wandering back. They're maybe not quite convinced - some bloke called Nigel has a pub lock-in down the road, and the sound of Quo is thumping through the shrubbery - but they'll give