The title Song Jiu comes from the Chinese characters 送舊, which convey sending off or bidding farewell to the old. No specific film, show or creator is reliably tied to this short recording, so its life online is defined by how editors reuse it. It circulates on soundboards as a compact farewell cue, shared for goodbye edits, end of year posts and scene transitions where a longer explanation would slow the moment down and weaken the joke or sentiment.