Generate a piece of music. The title is Changgong ku. It belongs to the genres of "Shange"and " Diqiang. Changgong suku". It is from Asia, China,Hubei, Laifeng. Its meter type is irregular.  
X:1
T:Changgong ku
T:Changgong ku
L:1/8
M:2/4
I:linebreak $
K:C
V:1 treble nm="Voice" snm="V"
V:1
 cc d/e/d | dd/e/ gg/e/ | d4 | d d d/ c/ A z4 d e d e | de dd | c4 |[M:3/4] z2 z4 | %7
[M:2/4] c>d dd/e/ | de e/dc/4d/4 |[M:3/4] d/c/A z4 |[M:2/4] e/d/d c<c | dd e/d/d | c4 || %13  