In fact, the name folk singing is only adopted in China. In foreign countries, the general national singing method belongs to country music or pop music, which is relative to classical music. I don't know if this music test refers to the grade test. If it's for the grade exam, wear formal clothes and light makeup. Generally speaking, a little black dress and a pair of high heels are enough. Black is a versatile color, small dresses or dresses are also generous, and national bel canto can be worn. I hope I can help you. Good luck!