Compose a musical piece using the designated musical pattern's alphabetic representation and the assigned melodic theme.
X:1
L:1/8
M:4/4
K:G
['', 'G2 DG B2 GB dBeB dBAB d2', 'aged eaag a2 eg agbg ageg Bggf']  
X:1
L:1/8
M:4/4
K:G
 DE |: G2 DG B2 GB | dBeB dBAB | d2 Bd efge | dBAB GEDE | G2 DG B2 GB | dBeB dBAB | d2 Bd efge |1 
 dBAB G2 DE :|2 dBAB G2 GB |: dggf g2 df | g2 bg aged | eaag a2 eg | agbg ageg | Bggf g2 df | 
 g2 bg ageg | d2 Bd efge |1 dBAB G2 GB :|  