Create a musical composition using the given alphabetical pattern and melodic theme.
X:1
L:1/8
M:6/8
K:G
['GBB BAB GBd def gfe edB', 'gfe edB']  
X:1
L:1/8
M:6/8
K:G
 D | GBB BAB | GBd def | gfe edB | dBA A2 B | GBB BAB | GBd def | gfe edB | dBG G2 || def gfg | 
 abg fed | gfe edB | dBA A2 B | GBB BAB | GBd def | gfe edB | AGG G2 ||  