Compose a piece of music following the specified structure and theme.
X:1
L:1/16
M:4/4
K:G
['D2 G2BG D2GD B,CDB, G,2AB']  
X:1
L:1/16
M:4/4
K:G
|: D2 | G2BG D2GD B,CDB, G,2AB | c2(3BcB A2G2 E6 D2 | G2BG D2GD B,CDB, G,2AB | cBce d2F2 G4 G2 :|  