Generate a piece of music. The title is Lan gong diao. It belongs to the genre of Xiaodiao. Changgong suku. It is from Ningxia, Tongxin. Its meter type is irregular.  
X:1
T:Lan gong diao
T:Lan gong diao
L:1/16
M:2/4
I:linebreak $
K:Bb
V:1 treble nm="Voice" snm="V"
V:1
 f f f g c'4 c'4 | c'2>f'2 c'2c'2 |[M:3/4] gbgf g4 f2>b2 |[M:2/4] gfed c2 z2 | ff2g c'2c'b | %5
 gbfg c'2bg |[M:3/4] fe2f g4 b2>g2 | fed2 c2 z2 x4 || %8  