ego reddere honorem deum meum
Especially in the days before audio recording and playback, music was often written out as a means of preserving and communicating it. To do this, a system of notation was developed that gives musicians the information they need to play music as the composer intended it.
(Hope it helps :) )
Your answer will be C) Workplace cliques can cause horizontal disharmony (just like how cliques would form in say a high school!)
We can eliminate the others because A. Office friendships would actually lead to more socializing, B. Ethnic similarities are usually not a big factor in choosing to socialize or be friends with a person, and D) This is not impossible, just usually not encouraged
