Build a composition using the stipulated musical framework and theme.
X:1
L:1/8
M:4/4
K:G
['G2 DG B2 GB dBeB dBAB d2', 'ba a2 ba agfg :|2 d2 Bd'  
X:1
L:1/8
M:4/4
K:G
 G2 DG B2 GB | dBeB dBAB | d2 Bd efge |1 dBAB GEDE :|2 dBAB G4 :: dggf g2 dg | g2 bg agfg |1 
 eaag a2 ba | a2 ba agfg :|2 d2 Bd efge | dBAB G4 :|  