The label Ga Zhua with the phrase “yi er san” comes from a user-uploaded soundboard entry with no verified original video, show, or artist attached, so its exact origin is unclear. Short Mandarin counting clips like this circulate widely as meme countdown sounds because the rhythm is instantly understood even by viewers who do not speak Chinese. Creators lift them for challenges, transitions, and game-style starts where a three-beat cue builds anticipation. Its appeal is purely functional: a familiar, human voice counting in is faster and friendlier than a beep or buzzer.