This is pretty random but I want to get into kpop so does anyone have any recommendations like kpop groups or songs?? thanks :)

Match each of these art forms with the region of americas where they were commonly produced. elaborate headdresses nazca lines carved hieroglyphs wooden ceremonial masks the pacific north west mesoamerica the great plains the andes

Who was the first musical composer?

Explain briefly why it's to choose a chord progression before developing the harmony.