The melody is tied to Titanic, the 1997 romantic drama directed by James Cameron, whose sweeping score helped make the film a global cultural touchstone. Its theme became one of the most recognisable film melodies of the decade and has since been reused constantly in parodies, reaction videos, and short-form edits. Because listeners recognise it within a second, creators still use the short clip to signal romance, heartbreak, or exaggerated drama without needing any dialogue or explanation.