Copyright LX
    Light Extreme Cinematography Workshop
    Cinematic Expression Workshop DreamWorks Glendale, California 2007
Traditional Three Point Lighting has little to do with Mood, as it's only purpose is description of figure dimension.
Two important elements of Lighting  are the Ambiance and Key.
Position of the Key Light (Narrow / Broad) determines of  the Style within a Mood
Special Effect Lighting - Low Key - Candle Light.
Elements to observe: Ambiance, Key Light Position, Quality / Direction
Level of Ambiance and Direction of Key Light