Realistic operas generally have a happy ending

Which of the following is characteristic of expressionist music?

A. music that is harmonious and soothing B. an absence of a harmonious frame of reference C. music that offers an idealized view of the world D. a text unrelated to the musical sounds

When small-scale production becomes "collective" production,

A. a single person takes charge of an entire group of film workers. B. a clear hierarchy of responsibility is necessary for the operation to be completed. C. several different films are created simultaneously. D. several film workers participate equally and may rotate roles.