Tubular bells are orchestral percussion instruments made from long metal tubes, designed to imitate church bells in concert music since the late 19th century. Their single toll became a familiar stock sound in film, television and games, where it signals ceremony, doom or a turning point. Online, editors reuse that same toll for parody, much like the Taco Bell bong, turning everyday moments into mock solemn events. Its clean attack and long fade make it easy to drop into edits without extra mixing, which keeps it popular for memes and dramatic cuts.