Doomsday is a track by British electronic duo Nero, released on their debut album Welcome Reality in 2011. The song became one of the defining dubstep releases of that era, known for its cinematic build and heavy drop. Clips from it spread through gaming videos, trailers and edits on YouTube and later short form platforms, where the short drop became a shorthand for destruction and dramatic escalation. It remains popular because the sound signals scale and danger instantly, even out of context.