We have installed volumeicon in this tiling window manager.
You can use/install it in any tiling window manager. As always that is the choice for the user.
Personally I use pavucontrol as hub to set all my sound the way I need it to be. CTRL + ALT + U
If you want to use the keyboard shortcuts, you have to set them in sxhkd config because you can use both systems
Playerctl is used by spotify for example. Always check out any Arch Wiki if you get stuck – see spotify arch wiki.