What the hell is going on?

A man in a camouflage uniform and blue cap kneels in the foreground, rhythmically striking a large, round, hide-covered drum with a mallet. Behind him, two people in traditional, earth-toned attire with headbands stand with arms raised in a ceremonial pose, while a man in a dark suit stands to the right, observing and holding a jacket. The scene takes place indoors on a green floor, with artificial evergreen trees and white walls in the background.