Sorry i'm a little late to the discussion. I think the mood that Fritz Lang is trying to create in the opening scene is a sense of dread and impending doom. We hear the children singing a song about a murderer which tries to set the scene that not all is well in the community. We hear from one of the women that we've heard enough about the murderer and we hear the response that the other woman is just glad to hear the children because it means there safe we're possibly being told that children could be the intended or potential victims of this murderer. The time seems to matter to us as the vi