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If kmfm's Kent Sound competition has been driving you crazy, we can put you out of your misery at last.
We can reveal the mystery sound was the noise of a seat flipping up at Maidstone United's Gallagher Stadium.
The lucky winner was mum-of-two Gemma Williamson from Barming. She now plans to use her £2,014 prize money to take her youngsters to Disneyland Paris.
She made the correct guess today during Rob Wills' Drive show.
A new Kent Sound will now start on Monday, with the prize pot growing with every incorrect guess. Stay tuned to kmfm for more details.