Answer:
C. Representative government.
Explanation:
Representative government is an electoral system where citizens vote to elect people to represent their interests and concerns. Those elected meet to debate and make laws on behalf of the whole community or society, instead of the people voting directly on laws and other debates.
They used it in many situations especially in war, public spectacles , and church but I would say that they primary used it for entertainment or to form a sense of unity
Most likely harmony, the degree to which a person appreciates the harmony depends on various things such as: their level of musical training, their ear, and again just their opinion.<span />