Hi-

The "Wild Hunt" and "The Sound of Glass" Music Discs don't decrease with distance from the Jukebox.
This happens when the audio file is in stereo, instead of mono.

This can easily be fixed in Audacity by opening the song and going Tracks > Mix > Mix Stereo Down to Mono

Ars Nouveau 4.4.0
Minecraft 1.20.1

Thanks!