Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:6/8
K:G
['d2 B', 'gag f2']  
X:1
L:1/8
M:6/8
K:G
 dcB d2 B | d2 B gfe | dcB d2 B | c2 A FED | dcB d2 B | d2 B gfe | dcB c2 A | FEF G3 |] gag f2 f | 
 efe dBG | gag f2 g | afd g3 | gag f2 f | efg dBG | ABA e2 e | dcA G3 |]  