Put this clip near the start of a travel sequence, just before the main footage begins, then follow it with a bell ding when the next location appears on screen.
About this sound
This is a short, about-three-second melodic tune used as passing music on a Korean subway, with a bright, clear chime-like melody that plays in a single smooth phrase. It feels familiar and calm, like a small cue that travel is moving along, and it brings a light, everyday-city mood without sounding busy or rushed.