Compose a piece of music that combines the given melodic theme with the assigned alphabetical pattern.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['B<B b2 a<f']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: d | B<B b2 a<f g2 | f>d e>c d<B A>F | B<B b2 a<f g>g | f>d e>c B2 Bd | B<B b2 a<f g2 | 
 f>d e>c d<B A>F | B<B b2 a<f g>g | f>d e>c B2 B>F | D/E/F B>D E>G B2 | A/B/c c>c d>e f2 | 
 D/E/F B>D E>G c>B | A/B/c F>A B2 B,F | D/E/F B>D E>G B>B | A/B/c e/d/c d>e f2 | 
 (3(def) B>b g>e c>g | (3(fed) (3(cBA) B2 B :|  