You have the power to get annoying repetitive music out of your head – simply by reading a good book! So say scientists at Western Washington University. Incidentally, this story was reported in the Daily Telegraph only today, so it’s probably so ancient it’s already been peer-reviewed.
Anyhow: the trick is to provide the brain with a sufficiently tough challenge to engage the intellect – such as reading an interesting novel. This apparently gets rid of the said “ear-worms.”
Alternatively, getting involved with trying to work out anagrams is also alleged to do the trick. Well, meck fu!