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:Dmix
['', 'E2 c2', 'eg f>de>c d2 AF Addc d2 df']  
X:1
L:1/8
M:4/4
K:Dmix
 B |: A2 FD E2 c2 | EFGE CDEC | DDFD E2 c2 |1 EFGE [G,D]3 B :|2 EFGE [G,D]3 F ||[K:D] AddA d2 df | 
 efec d2 FA | Add>c d2 eg | f>de>c d2 AF | Addc d2 df | efec d2 FA | dB=cA B2 Gc | E>FG>E [G,D]3 ||  