98FM's current Secret Sound turns one this week which means it has officially being wrecking Dubliners' heads for 12 whole months.
It's now worth a whopping €12,000. Imagine winning that?
Well, that money could be yours! All you need to do is guess the sound to win the cash.
Cooper and Luke play every morning on 98FM's Big Breakfast. When you hear it text SOUND to 0877989898 for your chance to take a guess live on air.
You can check out all of the incorrect guesses here.