Which of the following is NOT an advancement Chinese Emperors made to promote music? Promoting and expanding music as well as preserving it

Formation of a conservatory of music

Utilizing styles and influences of Western Cultures and practices

Formation of the Imperial Office of music

Formation of the Imperial Office of music

Explanation:

The imperial Office did not focus on music but rather on the protection of the country and its unification of the different dynasty. During the past century, the, different efforts were made to unify the country under different dynasty. Music was not one of the efforts.