Generate a piece of music. The title is Gu Changgong. It belongs to the genre of Xiaodiao. Qingge. It is from Asia, China, Shanxi Wutai. Its meter type is simple duple.  
X:1
T:Gu Changgong
T:Gu Changgong
L:1/8
M:2/4
I:linebreak $
K:G
V:1 treble nm="Voice" snm="V"
V:1
 AA AB | d4 | eg ee | d2 Be | dB AB | GG EG | A3 z | de d2 | BA dG | A3 z | AB d2 | B d2 A | %12
 E2 G2 | AB AA | F3 E | D4 | EG EG | A4 | Bd AG | EE GA | D3 G | ED A,B, | D4 || %23  