Create a musical composition adhering to the provided thematic and alphabetical guidelines.
X:1
L:1/8
M:4/4
K:Bmin
['dcdc BFBc dcdc BGBd', 'dBfB gBfB aBfB gfed cAeA fAeA']  
X:1
L:1/8
M:4/4
K:Bmin
|: Bc | dcdc BFBc | dcdc BGBd | cAEA FEFA | EFAB cBAc | dcdc BFBc | dcdc BGBd | ecEc FEFA | 
 edcd B2 :: Ac | dBfB gBfB | aBfB gfed | cAeA fAeA | gAfA edAc | dBfB gBfB | aBfB gfed | 
 cAeA fAeA | dBBA B2 :|  