Develop music that conforms to the outlined musical structure and the given theme.
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
['B<B G>B']  
X:1
L:1/8
Q:1/8=128
M:4/4
K:Bb
|: d | B<B G>B F<D D>F | B<B G>B c2 c>d | B<B G>B F<D D>F | (3(GAB) (3(ABc) B3 d | 
 B<B G>B F<D D>F | B<B G>B c2 c>d | B<B G>B F<D D>F | (3(GAB) (3(ABc) B3 F | 
 B3/2 d3/2 B/f/ B3/2B>bB/ | B>B d>B c2 c>d | B<B d>B f<B d<b | (3(gfe) (3(dec) B3 F | 
 B3/2 d3/2 B/f/ B3/2B>bB/ | B>B d>B c2 c>d | B<B d>B f<B d<b | (3(gfe) (3(dec) B3 :|  