Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
['DA FA DF AF de fe dc', 'eA AA fA AA eA']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:D
|: AF | DA FA DF AF | de fe dc BA | eA fA gA fA | ed cB AG FE | DA FA DF AF | de fe dc BA | 
 dA FA fg ec | d2 d2 d2 :: cd | eA AA fA AA | eA AA fA AA | eA fA gA fA | ed cB AG FE | 
 DA FA DF AF | de fe dc BA | dA FA fg ec | d2 d2 d2 :|  