The clip comes from This Fire Burns by metalcore band Killswitch Engage, a song that reached a wider audience when wrestler CM Punk adopted it as his entrance music. Hearing that opening scream in arenas and on wrestling shows turned it into a shorthand for confidence and confrontation, even for people who had never listened to the track. It later spread through wrestling montages, fan edits and short-form videos, where the scream alone could signal that a favourite was about to arrive. Its staying power comes from that association: it still sounds like an entrance, not just an intro.