The 'ding-dong' doorbell is one of the oldest and most recognisable domestic sounds in audio media, an electronic two-tone chime that has been used in cartoons, sitcoms and home intercoms for decades. This version repeats the chime four times, giving it the rhythm of someone ringing insistently or a comedy sketch playing up an arrival. Clips like this circulate on user-made soundboards, where the clean tone and short length make it ideal for quick edits. Its longevity comes from pure familiarity: almost everyone recognises a doorbell instantly, so the sound lands as a joke without any setup.