Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/8=320
M:6/8
K:G
['F G2', 'c2 A']  
X:1
L:1/8
Q:1/8=320
M:6/8
K:G
 D | G2 A B2 G | A2 F G2 E | BGE EGE | BGE E2 F | G2 A B2 G | A2 F G2 E | AFD DED | AFD D2 :| z | 
 d2 B c2 A | BAG c2 A | BGE EGE | BGE E3 | d2 B c2 A | BAG Bcd | AFD DED | AFD D2 :|  