Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
Q:1/4=120
M:6/8
K:F
['F2 G AGF A2 B c3', 'f3 f2 g agf gec c3 d2']  
X:1
L:1/8
Q:1/4=120
M:6/8
K:F
 F2 G AGF | A2 B c3 | d2 e fed | c>dc cAG | F2 G AGF | A2 B c3 | def geg | f2 f f3 :: f2 g agf | 
 gec c3 | d2 e fed | c>dc cAG | F2 G AGF | A2 B c3 | def g2 e | f2 f f3 :|  