Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:4/4
K:D
['(3ABc d2 d2 defd e2 e2 efge', 'd2 fg afdd fagf edcd efge fdAd']  
X:1
L:1/8
M:4/4
K:D
 (3ABc | d2 d2 defd | e2 e2 efge | f2 f2 fagf | edcB AGFE | FDFA defd | ecAc efge | fafd egec | 
 d2 d2 d2 :: fg | afdd fagf | edcd efge | fdAd fagf | (3efd (3cdB (3ABG (3FGE | FDFA defd | 
 ecAc efge | (3fga fd (3efg ec | d2 d2 d2 :|  