ELI5: Explain Like I'm 5

Musical ear syndrome

Musical Ear Syndrome is a condition where someone hears music that is not really there. It's like an imaginary radio playing in their head. It usually starts off quiet and can get louder over time, and it can be a song or just random notes. It can happen to anyone for no reason, but most commonly it happens to people who have hearing loss. They might be losing their hearing or have something wrong with their ears that makes it harder for them to hear actual music. Hearing music in your head that isn't actually there is called an "auditory hallucination," and it can be very bothersome for the person who is experiencing it.
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