Answer:
See explanations
Step-by-step explanation:
1. to intensify or relax the pace of a film
2. to reflect emotion
3. to create "unspoken" thoughts of a character or unseen implications of a situation
4. to parallel or underscore the action (Mickey mouse the action)
5. to create atmosphere of time and place
6. to create comedy
7. to provide unity or coherence to the story (use of leitmotif)
8. to be used as source music (diegetic music)
9. when music plays against the action
10. to speed up slow scenes or slow down scenes that are too fast
11. to be used as a neutral background filler (wall to wall music