research into directors commentaries

A directors commentary is usually a voice over or footage of the creator of a media product talking about and justifying decisions made throughout the creation of the product, this could be why they chose the location or actors, style or any number of things in the video, it is created to enable the viewer to grasp a better understanding of the product so that it can be enjoyed on a different level than the norm. it is often shown over the top of or with clips of the actual product, this allows the director to be specific about what they are talking about as if the viewer were watching it with the director.