The document summarizes and analyzes the trailers for three films - Tamara, Gothika, and Insidious. For the Tamara trailer, it notes the use of tense music that builds up and changes pace as the trailer progresses. The Gothika trailer uses dark lighting and sound effects during flashes of light and a thunderstorm. It also speeds up the pace at the end. The Insidious trailer has dark lighting and uses increasing sound effects to build tension, ending with a shocking image and sound effect.