Copy: Ctrl+C
Paste: Ctrl+V
Install the mod first!

Driver that steam is installed in (usually C: drive)
Program Files (x86)\Steam\steamapps\workshop\content\108600\3556702241\mods\Silent Hill Dynamic Music Replacement\42\media\sound\banks\Desktop

Mods for game in driver that doesn't have steam installed: SteamLibrary\steamapps\workshop\content\108600\3556702241\mods\Silent Hill Dynamic Music Replacement\42\media\sound\banks\Desktop
(don't paste it in the wrong driver! it will open up a tab in your browser!)

Copy the file:
ZomboidMusic.bank
Or leave the file open

Location in driver with steam:
Program Files (x86)\Steam\steamapps\common\ProjectZomboid\media\sound\banks\Desktop

Location in seperate driver: SteamLibrary\steamapps\common\ProjectZomboid\media\sound\banks\Desktop
(same thing as before, don't paste it in the wrong driver!)

Now play silently while admiring hills.