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Have you ever experienced this? You hear a song just one time... and suddenly it plays in your head ALL DAY LONG! You try to stop it, you try to think of something else... but no! It just keeps repeating like a broken record! First, What is it? Well, this actually has a name! Scientists call it "Earworm" No, it’s not a real worm! It’s when a catchy tune gets stuck in your auditory cortex and your brain just refuses to let it go! Seconds.....Why does it happen? But why does your brain d