Create music using the specified musical structure and the provided theme.
X:1
L:1/8
M:2/4
K:Bb
['B2 Gdc/B/G F']  
X:1
L:1/8
M:2/4
K:Bb
 dcdc | BB/d/ c2 | c/cd/dc/d/ | f2 d/c/B/G/ | Gdc/B/G | F>D F2 | dcdc | dG B2 | Gdc/B/G | F F3 | 
 c>d f2 | d>c B2 | Gdc/B/G | F F3 |]  