Create a musical composition based on the alphabetic representation of the predetermined pattern and the given melodic theme.
X:1
L:1/8
M:6/8
K:G
['BAG Bcd e2 d efg dcB gdB', 'efg dcB gdB']  
X:1
L:1/8
M:6/8
K:G
|: (dc) | BAG Bcd | e2 d efg | dcB gdB | A3 ABc | BAG Bcd | e2 d efg | dcB gdB | cAF G2 :: d | 
 g3 bag | fed efg | dcB gdB | A3 ABd |1 g3 bag | fed efg | dcB gdB | cAF GBd :|2 BAG Bcd | 
 e2 d efg | dcB gdB | cAF G2 ||  