Although its exact original recording is not documented, this short piano clip circulates online as a generic fear sound, shared on soundboards under its Portuguese name meaning sound of fear. Creators reach for it because it delivers instant horror-movie atmosphere in under four seconds, without dialogue, making it easy to drop into a quick edit. Like other short dramatic sting sounds, it is reused across prank edits, gameplay highlights, and spooky storytelling clips, where a familiar tense chord tells viewers something unsettling is about to happen.