The hu is the best band actually not because their music is an ingenious mix of traditional Mongolian folk styles and modern metal but because they make a fiddle make a horse noise
if anyone's interested in getting into mongolian folk metal (as you should) may i also recommend:
uuhai
nine treasures
ego fall:
suld:
growl of clown (ok theyre deathcore, not folk metal, but still rly good)