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Why is that tune stuck in your head?

London - Ever wondered why a song can get stuck in your head for hours or even days?

Experts say the likelihood of getting an “earworm” – the term for having a song in your head – is not just down to how catchy the tune is. Stress, memories and triggers in your environment can all play a part.

Dr Williamson's own earworm experience was triggered by seeing a shoebox from the shop Faith in her office, causing her to have George Michael's song of the same name in her head for hours. Credit: REUTERS

Dr Vicky Williamson, a music psychologist at Goldsmith’s College, London, has collected more than 2,500 “earworm experiences” while working with BBC 6 Music through her website earwormery.com.

That included one woman who hears the same song - Nathan Jones, by Bananarama – at stressful events like her wedding and childbirth, after first hearing it when she had an exam aged 16.

But it is not just stress which can cause a song to get stuck. Dr Williamson’s own earworm experience was triggered by seeing a shoebox from the shop Faith in her office, causing her to have George Michael’s song of the same name in her head for hours.

She added: “Because music can be encoded in so many ways, it’s what we call a ‘multi-sensory stimulus”.

“Music is often encoded in a very personal and emotional way, and we know that when we encode anything with emotional or personal connotations, it’s recalled better in memory.”

Dr Williamson believes earworms may be part of involuntary memory – the same part of the mind which makes people suddenly think of a friend they have not seen for ages.

Although popular film and TV shows make it more likely people have had exposure to one song - with the television show Glee’s version of Journey’s Don’t Stop Believing featuring strongly in her research - her studies show there is no particular song which is more likely to be an earworm.

She said: “When I had 1,000 earworm songs in my database, there were only about half a dozen or so that had been named more than once - that’s how heterogeneous the response was. It’s a very individual phenomenon.”

And if you are worried you will have that song stuck in your head forever? Dr Williamson recommends trying to displace it with a different tune. She is also studying whether activities like running or doing a crossword help.

'EARWORM TRIGGERS'

Recent music exposure

Repeated music exposure

Word triggers (eg. the word ‘faith’)

People triggers (where sight or memory of a person is associated with a song)

Situation trigger (eg. weddings can cause you to remember your own first dance song)

Stress

Surprise

Dreams

Mind wandering

Dr Williamson’s most likely earworms: Lady Gaga, Queen, Abba, Kylie, Beyonce, Adele, Europe, Coldplay, Elbow, Johnny Cash. - Daily Mail

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