Produce a musical arrangement that complies with the dictated structure and the suggested theme.
X:1
L:1/8
M:4/4
K:Gmin
['B,2 DF BDFB dfba gfed', 'B,2 cB A2 FA cFAc fecA FECA,'  
X:1
L:1/8
M:4/4
K:Gmin
 DC | B,2 DF BDFB | dfba gfed | c2 Gc edcB | ABcB AFEC | B,2 DF BDFB | dfba gfed | edcB Afec | 
 AFEC B,2 :: cB | A2 FA cFAc | fecA FECA, | B,2 DF BDFB | bfdB FDB,f | =e2 ce gceg | bg=ec BG=EC | 
 AFBG cAdB | =eceg f2 :|  