SNCF is France's national railway operator, and its stations and trains use short musical cues to introduce passenger announcements, helping travellers notice that a message about departures, platforms or delays is about to follow. Because millions of people hear these chimes while travelling in France, the sound has become instantly familiar well beyond regular rail passengers. Online, short clips of the jingle are shared as a shorthand for travel, waiting and official news, and creators reuse it to frame jokes, vlogs and edits that imitate a station announcement.