Titanic has become a lasting cultural shorthand for romance, grandeur and disaster, and short clips of its theme are widely shared online as an instant emotional cue. The melody is recognisable even in a few seconds, so creators reuse it to signal that something is about to go wrong, become deeply sentimental, or reach an exaggerated climax. Its popularity endures because the reference needs no explanation: most viewers already associate the sound with a huge, doomed voyage and a sweeping love story, making it useful for both sincere tributes and ironic edits.