Little is known about who first recorded this hum or when, so its backstory stays with the soundboard communities where it quietly circulates. Labeled simply as 'humming', the four-second clip caught on among meme makers who liked its warm, unhurried feel. It gets shared through soundboard apps and meme pages, often turning up in laid-back edits and reaction posts. Its staying power comes from its simplicity: a short human hum with no lyrics fits almost any calm or funny moment, which keeps creators rediscovering it.