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
['GAB AGA', 'efg fed cBA GFG Bcd efg a3']  
X:1
L:1/8
M:6/8
K:G
 vDED GAB | AGA BGE | DED GAB | AdB AGE | DED GAB | AGA Bcd | ege dBG |"^4" AGG G2 z :| vdBd efg | 
 fed cBA | GFG Bcd | efg a3 |{ga} vbag{fg} vagf |{ef} gfe dBG | ege dBG |"^4" AGG G2 z :|  