Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:2/2
K:D
['(AG) FDFA d2 (ef) gfed c2 A2', 'c2 A2']  
X:1
L:1/8
M:2/2
K:D
 (AG) | FDFA d2 (ef) | gfed c2 A2 |1 BAGB AGFA | G2 E2 E2 :|2 defd efge | f2 d2 d2 |: (fg) | 
 agfe dcBA | B2 G2 G2 (ga) | bagf edcB | c2 A2 A2 (AG) | FDFA d2 (ef) | gfed c2 A2 | defd efge | 
 f2 d2 d2 :|  