The vocal music of China, Japan, and Korea are connected to one another because they share cultural similarities. They share similar traditional clothing, eating tools, and finally, LANGUAGE which is among the primary reasons for the interrelation of the vocal music of the East Asian countries, China, Japan, and Korea
Well art is a way to express your self so if people are critiques about it then they may not understand it. So if I were in there shoes I'd feel kinda wouldn't care because it's my artwork about my emotions :) hope I helped ya