Generate a piece of music. The title is Gu changgong. It belongs to the genres of "Xiaodiao. Qingge"and " Sichun". It is from Asia, China, Shanxi Yuanping. Its meter type is simple duple.  
X:1
T:Gu changgong
T:Gu changgong
L:1/16
M:2/4
I:linebreak $
K:A
V:1 treble nm="Voice" snm="V"
V:1
 ce2c B4 | cecB A4 | ABc2 ecBA | B2FE C4 | E2EF AcBA | BBAE F2F2 | BB2c BcBA | FAEF A2GF | %8
 CFEC B,4 || %9  