The sound comes from Five Nights at Freddy's, the indie horror game series created by Scott Cawthon that launched in 2014. In the games, a music box melody is tied to keeping one animatronic at bay, so players learned to fear the moment the tune stops. Clips mixing that melody with jumpscare screams spread through YouTube edits, TikTok videos, and meme soundboards, where the build and release became shorthand for horror panic. It remains popular because even listeners who have never played recognise its creepy to chaotic arc instantly.