Answer:
The different sound effects create different moods and can control the emotions of the audience. Music right before the killer is going to strike can create a heartbeat effect, due to the throbbing effect of the music, therefore creating a sense of malice and tension therefore creating suspense.
We exercise it by starting public groups and participate in tings that boost each other up.
My reason being is because we get happy after we do things like this and there is usually a financial benefit.
I really hope that this helps you out a lot. <span />
