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:D
['D2 E FGF DEF G2 F E2', 'D3 D3 dcd edB dAF DFA dcB']  
X:1
L:1/8
M:6/8
K:D
|: D2 E | FGF DEF | G2 F E2 F | D2 B AFE | DEF A2 G | FGF DFA | dcB A2 B | AGF EFE | D3 :: D3 | 
 dcd edB | dAF DFA | dcB AFG | A3 ABc | dcd edc | dAF d2 B | AFD EFE | D3 :|  