This addon plays Yakety Sax while the Wo buff is active in Mythic+
This helps know when you have it and also when it is going to fade as you'll ear the music start fading.
The volume of "The Wo song" is currently tied to the master audio channel meaning you need to lower or raise the volume of the whole game to change the volume of this addon. We'll add a slider in the interface/addon in-game menu in the future.