Of the runners and riders for an alternative Christmas hit, Captain SKA's jolly tune with samples of Osborne, Cameron, Thatcher and Clegg is the latest one to be gathering momentum. The other campaign, already rolling on nicely and more likely to succeed, is the one to get Cage's silent "4'33" to Number One for Christmas - a rather brilliant protest and a perfect present for the conceptualists and anti-consumerists in your life.