Those Who Wander

What are they? What do they seek? When all the lights go out, they will wander. And you will never see them. What are they? What do they seek? When all the lights go out, they will wander. And you will never see them. What are they? What do they seek? When all the lights go out, they will wander. And you will never see them. What are they? What do they seek? When all the lights go out, they will wander. And you will never see them.