Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
M:2/2
K:Gmin
['B3 A', 'f3 b f3'  
X:1
L:1/8
M:2/2
K:Gmin
 d2 | d3 c B3 A | B3 A G3 g | ^f3 g a3 b | a3 g g3 d | d3 c B3 A | B3 A G3 g | ^f3 g a3 b | a6 :: 
 f>g | f3 b f3 b | f3 e d3 g | f2 e>d c3 f | d3 c B3 f | d3 g =e3 a | ^f3 g a3 d | b2 a>g d3 b | 
 a3 g g2 :|  