Children on stage with a woman conductor

Photograph of an event. On the stage, a group of children of different ages standing in several rows. On the right, two children in military uniforms, on the left a boy in a uniform with a peaked cap. In the center, a woman in a dark dress with white sleeves facing the children, conducting. On the left, behind the piano, a boy in a suit is sitting. On the floor in front of the stage lies a ball. In the foreground, part of the head of a spectator in a headscarf is visible.