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=128
M:4/4
K:Fmin
['F>G A>B']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Fmin
|: C | F>G A>B A/G/F/E/ c/B/A/G/ | F>G A>B c2 cB/A/ | G<e e=d/c/ B/A/G/F/ E>G | 
 B/A/G/F/ A/G/F/=E/ F2 FC | F>G A>B A/G/F/E/ c/B/A/G/ | F>G A>B c2 cB/A/ | 
 G<e e=d/c/ B/A/G/F/ E>G | B/A/G/F/ A/G/F/=E/ F2 Fc | f>g a>f g>c c<g | f>g a>f a/g/f/=e/ f>g | 
 f>g a>b g>e e<g | f>e c>=e f2 fc | f>g a>f g>c c<g | f<a g<b a<f g>=d | e/d/c/B/ e>B G>E E<G | 
 F/G/A/B/ c>C F2 F :|  