Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:2/2
K:G
['G2 (dG)', 'GABc dgga']  
X:1
L:1/8
M:2/2
K:G
 G2 (dG) BGdG | GABd cAFA | G2 (dG) Bcde | fdcB cAFA | G2 (dG) BGdG | GABd cAFA | GABc dfeg | 
 fdcA GABc || dgga bgaf | dggf d2 (cA) | dgga bgag | fdcB GABc | dgga bgag | dggf defg | 
 abag fgfe | defd cAFA |]  