Develop a piece of music conforming to the stated structure and theme.
X:1
L:1/4
M:6/4
K:Gmin
['B2 F D3/2 E/ F', 'c B'  
X:1
L:1/4
M:6/4
K:Gmin
 B2 F D3/2 E/ F | e c B c/B/A/G/ F | B2 F D3/2 E/ F | d c B B3 :: d c B c/d/ c B | 
 d c B c/B/A/G/ F | B2 F D3/2 E/ F | d c3/2 B/ B3 :|  