The exact original source of this clip is not documented, but its title places it in a numbered series of short sounds made to be played in class. Part 12 follows the same idea as the earlier entries: a brief, unexpected audio moment that works as a classroom joke rather than a piece of music or dialogue. It has circulated mainly through soundboards and short-form video edits, where creators reuse it as a quick prank cue, and its appeal comes from its brevity and its recognisable series name rather than from a film, show, or famous speaker.
關於此聲音
A sub-second classroom prank clip from the Play This In Class series, played unexpectedly during a lesson to catch classmates and teachers off guard.
This is a very short classroom prank clip, lasting less than a second, built for one moment of surprise rather than a song or a spoken joke. It starts and ends almost instantly, so the humour comes from the timing: played quietly from a phone or laptop in the middle of a lesson, it breaks the silence, makes nearby classmates turn around, and leaves everyone wondering what just happened. Because it is so brief, it works best as a quick interruption, not as background noise, and its impact depends entirely on catching the room off guard.