Generate a piece of music. The title is Nan cao. It belongs to the genre of Xiaodiao. Qingge. It is from Asia, China, Shanxi Heshun. Its meter type is simple duple.  
X:1
T:Nan cao
T:Nan cao
L:1/8
M:2/4
I:linebreak $
K:Eb
V:1 treble nm="Voice" snm="V"
V:1
 B2 AG | F4 | z c2 e | B2 C2 | B,4 | G2 z c- | cB GF | G4 | B4 | GA GF | GA GF | EC E2- | E2 GF | %13
 E2 F2- | F2 FG | B3 e | cB B,2- | B,>C E2- | ED/C/ B,2- | B,2 E2- | E4 | GA E2 | GF E2 | EC E2- | %24
 E2 FG | FG B,2- | B,C E2- | ED/C/ B,2 | B2 G2 | z c2 B | GF G2- | G2 B2- | B2 GA | GF GA | GF EC | %35
 E4 | GF E2 | F4 | FG B2 | z e cB | B3 C | E3 D/C/ | B,4 | E4 | GA GF | E3 C | E4 | FG FG | B,3 C | %49
 E3 D/C/ | B,4 || %51  