Answer:
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 is which among the primary reasons for the interrelation of the vocal music off the east asian countries China, Japan, and Korea
there's one big difference: the language of the songs. korean and japanese have as motor flow to the language, without too much harshness and bounciness. that's why the words can go well with the music. The chinese language, as the world knows, is very harsh often very difficult to listen to unless you are chinese.
