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:C
['D2 (dB)', 'd2 (fd) adfd']  
X:1
L:1/8
M:4/4
K:C
 | |[M:2/2][K:D] TDFEF D2 (dB) | A2 FD EA,- A,2 | DFEF D2 (dB) | AFEG (TFD) D2 :| d2 (fd) adfd | 
 A2 (3(cBA) eA (3(cBA) | d2 (fd) adfd | (3(fga) eg fB B2 | d2 (fd) adfd | A2 (3(cBA) eA (3(cBA) | 
 dfeg (3(fga) ec | dBAG (TFD) D2 |]  