Submundo appears as a user-uploaded entry on a soundboard site, listed under music with a runtime of about twelve seconds and only a handful of plays. No original artist, release or media source is documented with the upload, so its background remains unclear. Obscure clips like this typically circulate through small editing communities, where creators save short musical beds for intros, transitions and background filler. Its continued use depends on that practical niche rather than any wider viral moment.