Generate a piece of music. The title is Song lang dang hongjun. It belongs to the genre of Xiaodiao. Geming lishi minge. It is from Asia, China,Jiangxi, Suqu. Its meter type is simple duple.  
X:1
T:Song lang dang hongjun
T:Song lang dang hongjun
L:1/8
M:2/4
I:linebreak $
K:Bb
V:1 treble nm="Voice" snm="V"
V:1
 c' c'2 d' | c'd' gb | c'3 d' | f f2 g | b2 c'd' | b2 z2 | bc' d'2 | c'4 | bc' bg | f2 z2 | %10
 g g2 b | gf d2 | f2 z2 | gc' bg | f2 gd | f4 || %16  