All scenarios have different dynamics and effects. What director’s expectation and perception from movie can be different than scriptwriter and musician. The best way of success is collaboration, due to creating impact. All staffs have to share their own idea about both movie and specific scenes which are most important for climax.
In musical way, the most difficult part is, music should not prevent the scenes. It means music and scenes should not be separated, they have to be integrated each other. When audition watching movie, they neither listen independent music nor independent scenes. Composer has to pay more attention to create balance.
Creating impact on horse scene is the good example to explain this subject. How can horse scene compose to creating impact? Composer should think about horse walk. It means that horse walks rhythmically and the rhythm of music can be the same with horse walks rhythm. For example: Horse walks 70 bpm, so music which on that scene can be 70 bpm too. In addition, the thematic phrase can occur with 2+16th and 1+8th notes which describe the walking horse. This example can be the best way of creating impact for scene and audition. When people watching this scene, they can easily follow the drama.