The audio comes from The Universe Within, a live stream hosted by Bastille frontman Dan Smith, as noted in the sound's published description. The brief oh was clipped by listeners and uploaded as a standalone reaction sound, where its short length made it easy to reuse. With only a few dozen plays, it remains a niche fan capture rather than a mainstream meme. Creators keep using it because it feels genuine and low-key, fitting moments that need a soft human response instead of a loud effect.