Describe 3 contents of a movie soundtrack

Anarrative piece of are ? a. tells a story or series of event b. serves as a remembrance of an event person c. display the likeness of a person, in order to document their existence d. relates the lives of important individuals

Who is responsible for making sure that the sound design plan in us u who is responsible for making sure that the soundesign plan in a theatrical production is feasible?

What does it mean to have a bias (for example your bias of bts)?