Probably music or some sort of fashion related art
Marxism: The method that interprets artworks in the light of their economic and social contexts. the goal of Marxism is threefold. First, Marxism desires to abolish classes in whatever form they exist. Marx and his followers have seen the injustices perpetuated through a class system. The rich get richer and the poor get poorer.
I’m not sure about this answer. I’m going to do some quick research and see if I can find the answer for you.