As the track progresses (the work runs approximately 90 minutes), the guide’s sentences become shorter, more fragmented, and eventually dissolve into non-verbal hums. This technique, called "linguistic satiation," forces the conscious mind to shut off because it stops trying to decode meaning.
If you are looking to create a based on this (like a review, a script, or a fan story), I can help you draft it. Create a short story set in the "City of Sleep"? nemuru koneko suimin no machi rj01062044 work