Atom Bomb Baby was recorded by The Five Stars as a 1950s novelty pop song celebrating the atomic age, long before it became linked to video games. Its second life began when Bethesda used the track in promotion for Fallout 4, where its sunny sound clashed perfectly with the series' nuclear wasteland setting. Fans clipped that trailer audio, shared it in gameplay showcases and edits, and kept reusing it as shorthand for retro-futuristic irony. Today it remains popular because that contrast still works instantly, even for viewers who have never played the game.