Composition in black tones, red ochre, green and white. Contour lines, dotted parallel and scraped. Composition study representing three musicians playing against dotted background. The three musicians form a group, looking to the left, trumpeter standing and facing; wearing a hat, suit and has indicated facial features. On the right guitarist sitting and facing. Has the head turned slightly to the right and look in the direction of its instrument arm. Has sketched facial features and wears little clothing set. Ago, between the two, standing clarinetist and physiognomic traits outlined. Parallel dotted areas through the entire composition.