Compose music that abides by the dictated structure and encompass the given theme
X:1
L:1/4
M:4/4
K:D
['B/c/ d', 'f/g/ a'  
X:1
L:1/4
M:4/4
K:D
|: A | d D F A | B/A/ B/c/ d e | f/g/ a B/c/ d | e3/2 f/ e c | d D F A | B/c/ d c a/g/ | f d e c | 
 d2 d :: f/g/ | a f2 a | f d2 e/f/ | g/f/ e/d/ c d | e3 f/g/ | a f d f | A d F A | d d e c | d3 :|  