Construct a musical work using the letter-based representation of the specified pattern and the given melodic subject.
X:1
L:1/8
M:4/4
K:Bb
['D>B,D>F B2 A>G', 'B<fd<f B<fd<f', 'd<BB F D<B,F<B, G<B,F<B, D>B, G/F/E/D/ E<C', 'f<B e/d/c/B/']  
X:1
L:1/8
M:4/4
K:Bb
 F | D>B,D>F B2 A>G | F<B, G/F/E/D/ E<C C>F | D>B,D>F B2 A>G | A/B/c F>A B<B,B, :: d | 
 B<fd<f B<fd<f | F<cA<c F<cA<c | B<fd<f B<fd<f | b/a/g/f/ g>e d<BB :: F | D<B,F<B, G<B,F<B, | 
 D>B, G/F/E/D/ E<C C>F | D<B,F<B, G<B,F>A | B>GF>E D<B,B, :: g | f<B e/d/c/B/ f>Bb>B | 
 f<B e/d/c/B/ c<G G>g | f<B e/d/c/B/ f<B b>B | B>GF>E D<B,B, :|  