Compose a piece of music that follows the specified structure and incorporates the given theme.
X:1
L:1/16
M:2/4
K:G
['G2Bd cAFD GBdg (d2cB) ceAc BdGB', 'G2G,2 gbeg fadf egce d2d2 ceAc BdGd'  
X:1
L:1/16
M:2/4
K:G
|: G2Bd cAFD | GBdg (d2cB) | ceAc BdGB | AcFA G2G,2 :: gbeg fadf | egce d2d2 | ceAc BdGd | 
 AcFA G2G,2 :|  