ELI5: Explain Like I'm 5

Theme music

Theme music is like a special song that plays when we watch a TV show or movie. It’s a way to help us know what we're watching, even if we aren't looking at the screen.

For example, when we hear the “dun dun” sound from Law & Order, we know something important is happening. That sound is part of the show’s theme music.

Theme music can be happy, sad, scary, or exciting. Sometimes it has words, but other times it’s just music with different instruments playing together.

Overall, theme music is an important part of what makes TV shows and movies special. It helps us know what we’re watching, and adds extra feelings to the things we see and hear on screen.
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