Generate a piece of music. The title is Li tian ge. It belongs to the genre of Shange. It is from Asia, China,Anhui, Fengyang. Its meter type is simple duple.  
X:1
T:Li tian ge
T:Li tian ge
L:1/8
M:2/4
I:linebreak $
K:Bb
V:1 treble nm="Voice" snm="V"
V:1
 c'4 | d'<c' d'<c' | c'4 | b>c' f'<c' | c'4 | f2 b<c' | d2 f2 | bg gf | g f3 | f>f gg | bb g2 | %11
 d'>b ff | gg f z | f<d f'2- | f'4 | b2 c'2 | c'3 b/g/ | f3 d | c'3 b/g/ | f4 || %20  