I think it'd be nice to explain (or just my ass trying to act smart for knowing some nihongo) that the word 中 is typed as chuu and means "in the middle of (discussion)" in the sentence, meanwhile chu chu means... well everyone knows it alr lmao I also find it interesting that words like chu chu are written in katakana lol
【Music】裸の王様 - 騒音のない世界 (Hadaka no Ousama - Souon no nai Sekai/The Emperor's New Clothes - A world without noise) I'll just write the title since I'm not sure if I can paste the URL. You should be able to find it quickly by copying and searching.👍