Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:6/4
K:Amin
['d3 c', 'e3 d']  
X:1
L:1/8
M:6/4
K:Amin
 cd | e3 f e2 d3 c B2 | c4 A2 E4 AB | c3 B c2 d3 c d2 | e6- e4 :: g3 a g2 f4 e2 | f4 d2 A4 de | 
 f3 g f2 e3 d B2 | e4 ^G2 E4 cd | e3 d c2 B4 A2 | A6- A4 :|  