Magic Music Visuals

I have a project with a large number of scenes. When I load it I get a warning about a missing audio file, but I can't work out which scene is trying to load it.

Is there some way to pinpoint it e.g. searching a file for the media name ?

Audio files are specified in the Input Sources Window, not any individual scene.

The pathname of audio files is shown there in the Add Files section at the bottom, with a "(missing)" suffix for those that cannot be found on startup.