Lock Desktop Application Volume

[thpoons]

Operating System

Linux

My Question

Spotify, like most apps, has it's own volume controller (in the bottom right). But unlike other apps this volume is controlled by media keys. Is there any way to change it to act like a normal app? For instance, Discord, and every video game has the option to set a relative master volume. So if I want my music to be quiet and my games to be loud I can. But changing system volume will effect Spotify.

Is there any way to disable media keys controlling Spotify's application volume?