The jingle is the station announcement chime used on the Wiener Linien U-Bahn, Vienna's metro network, where a short melodic signal alerts passengers that the next stop information is about to be played. It has become familiar far beyond daily commuters through travel vlogs, transit enthusiast videos and short clips shared by visitors who recognise it from trips to the Austrian capital. Because the sound is short, clear and strongly tied to a specific place, creators keep using it as an instant audio shorthand for Vienna, public transport and arriving somewhere new.