Thank you all for some excellent clues which attracted a fairly wide spread of votes - although I was surprised that reduntantelf's superb effort @ 26 didn't get a mention - but there's no doubt that the winner is ixion @ 16 (with his clue @ 5 in equal second place). Your prize, ixion, is to discover the true meaning behind a classic piece of rock cinema:
http://www.youtube.com/watch?v=3xJWxPE8G2c