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
['AGAB/c/ d2']  
X:1
L:1/8
M:4/4
K:D
 AGAB/c/ d2 A2 | AGAB/c/ d2 A2 | AGAB/c/ d2 e2 | A8 | A2 d2 =cAcA | G2 A2 D=FGE | DE=FG A2 GE | 
 D8 |]  