>>27663530Yes. It's was her BGM. Case is closed.
Desynchronizations BGM of this
https://youtu.be/UBQU_xgSCxM and this
https://youtu.be/YMvwgVDAzTc ~25 sec.
Here
https://youtu.be/UBQU_xgSCxM 37:12 "phantom" very quiet knock on wood.
Why they got loud, I don't know. There may be a noise reduction bug in some programs.