The music we will be using will be high paced. A heat beat like effects will be used to help dramatise the scene. Also music with a fast beat will he used, these sounds being used will be non diagetic as you cannot see the source of the music. Other sounds will include general city sounds like cars, traffic and crowd noise to help and realism to the opening scene. As the tension builds the sound effects will enhance this as it will increase and become louder. Adding sound effects and music will help grab the audience and increase suspense and mystery.
Here is an example of the type of music and sound effects that we will produce and incorporate into our opening scene: