ELI5: Explain Like I'm 5

Tone deafness

Have you ever heard someone sing or play music and it sounds really bad to you? Well, some people have something called tone deafness or what scientists call "amusia". It means that they have trouble hearing the difference between musical notes or telling if they are singing or playing a song correctly.

It's like when you're coloring, and you try to stay inside the lines, but sometimes you color outside of them. People who are tone deaf have a hard time telling whether they're staying inside the lines of the music, and so they might hit the wrong note or sing out of tune.

Sometimes, people are born being tone deaf, and it's just the way their brain is wired. Other times, it can happen if someone has had ear or brain damage or maybe just hasn't been exposed to a lot of music.

Just because someone is tone deaf doesn't mean they can't enjoy music. It just means they might have a harder time singing along or playing an instrument in tune. But they can still enjoy listening to music and dancing to the beat!