Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/16
M:2/4
K:D
['fgfe d2F2 A2>d2', 'dBcd efed cdeg a2c2 e4 B2>c2 d2B2']  
X:1
L:1/16
M:2/4
K:D
|: dAFG | A2f2 fgfe | d2F2 A2>d2 | c2B2 G2E2 | FGFE DEFG | A2>f2 fgfe | d2F2 A2>d2 | c2A2 B2c2 | 
 e2d2 ::[K:A] dBcd | efed cdeg | a2c2 e4 | B2>c2 d2B2 | cdcB ABcd | e2ed cdeg | agac e2>a2 |1 
 g2e2 f2g2 | a4 :|2 g2e2 d2B2 | A4 ||  