Workarounds for not fading monitored audio

[Cheddare]

Hi, this might be a bit of an unusual problem - some time ago I found out that OBS has all the functionality that I need to mix audio for my RPG sessions (private "at home with friends" kind of sessions):

• Custom Scenes
• Looping Audio
• Smooth Transitions
• Remote Control etc.

I've tried to play my scenes straight from the OBS but monitored audio is not fading at all. So for a while, I've been casually streaming my background music and ambient sounds to YouTube as private streams. I could then play them on the TV in my living room and change the scenes from my phone. It was a bit clunky but it worked. Problem is that playing copyrighted music even on a private stream is a no-no on Youtube.

So here I am now, looking for advice. Is there any other way to play audio locally or perhaps stream it without making any algorithms angry? It seems like such a silly problem, but whatever I do, I can't seem to find a workaround.