Composition in green tones, ochre, earthy, rose, gray and black. Smooth, thick spatula on the ground and marked brushstrokes. Representation sitting musician playing a trombone, occupying the central area of the composition against background composed of ochre, green and gray. The musician faces sitting on kind of rectangular box composed of geometrical areas in green shades and earthy. The musician has the flattened head, fallen dark hair on the forehead, thick eyebrows, dark eyes, wide nose and inflated cheeks, as if blowing the instrument's mouthpiece hiding her lips. He has the on the right arm holding the folded horn and the on the left bent holding the rod of the instrument close to the nozzle. Vest suit composed of geometrical areas in green tones, with suggested tie; is with legs slightly apart, wears striped stockings and lace-up shoes in bright green tones. The ground track is composed of ochre, textured by spatulate in various directions. The bottom consists of green-gray tones in sides, darker near the ground and green hues in the central area, making the background picture, as if they were projected shadows.