Both the Russians and Ukrainian forces fighting in the Ukraine have outside paramilitary groups upon which they have relied.

The Russian group is called the Wagner Group, and it’s been listed as a transnational criminal organization by the United States. Meanwhile, it has a Western counterpart, the Mozart Group, that has been aligned with the Ukraine and training its forces.

What’s the story behind these two groups? Why are they both named after famous German composers — Wagner and Mozart? Here, Black Pigeon Speaks provides some handy background in a video called “America: Mercenary Empire Of Chaos.”