Construct a musical work that combines the specified alphabet-based pattern with the given melodic theme.
X:1
L:1/8
M:6/8
K:D
['ecA d2 f ecA', 'A3 DEF EFG F2 A EFG D2']  
X:1
L:1/8
M:6/8
K:D
|: aff gee | fdd ecA | d2 f ecA | d2 f ecA | dcd ede | fef ^geg | aed cdB | A3 A3 :: DEF EFG | 
 F2 A EFG | D2 d AB=c | B3 B3 | GFG AGA | BAB cBc | dAG FGE | D3 D3 :|  