Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:6/8
K:D
['FDF ABc', 'gfg aba', 'AFD DBc', 'd2 f/g/']  
X:1
L:1/8
M:6/8
K:D
 A/G/ | FDF ABc | dfd ecA | FDF ABc | dcA GAG | FDF ABc | dfd ece | fdf gec | Add d2 :: e | 
 fdf gfg | aba gfe | fdf gfg | aba gfg | aba gag | fgf ecA | fdf gec | Add d2 :: c/B/ | AFD DBc | 
 dfd cBc | AFD DBc | dcA GcB | AFD DBc | dfd ecA | fdf gec | Add d2 :: f/g/ | agf gag | fed ecA | 
 agf gag | fdd d2 f/g/ | a/g/fa gfe | f/e/df ecA | fed gec | Add d2 :|  