Generate a piece of music. The title is Nao yuanxiao. It belongs to the genres of "Wuge"" Yangge"and " Jinzhong yangge. Xin minge". It is from Asia, China, Shanxi, Qitai. Its meter type is simple duple.  
X:1
T:Nao yuanxiao
T:Nao yuanxiao
L:1/8
M:2/4
I:linebreak $
K:Bb
V:1 treble nm="Voice" snm="V"
V:1
 z c' c'c' | gf' d'/f'/c'- | c'g bc' | b/c'/ g2 f' | d'f' c'g | b2 c'g/c'/ | f>d c2 | f>d c2 | %8
 z g2 b | c'2 gc' | f>d c2 | f'd'/f'/ c'2 | e/f/e/f/ g2 | gg c'c' | gb bg/f/ | ec ef | g2 c'2 | %17
 e>f e>f | gg bd | c4 | gg c'c' | gb bg/f/ | ec ef | g2 c'2 | b>c' bc' | f'g' e'd' | c'4 || %27  