Craft a musical work adhering to the specified theme and structure.
X:1
L:1/8
M:4/4
K:Bmin
['cB _BG', 'fB eB'  
X:1
L:1/8
M:4/4
K:Bmin
|: BG FB _Bc =BG | FE _EB, _E=E FG | cd cB _BG FF | _B=B cd fF f2 | BG FB (3BBB BG | 
 FE _EB, _E=E FG | cd cB _BG FF |1 cB _BG F2 FF :|2 cB _BG F2 Ff :: eB (3BBB gB fB | 
 eB (3BBB gB fB | eB (3BBB fB eB | dA (3AAA fA eA | dA (3AAA fA dA | eB (3BBB gB fB | 
 eB (3BBB A2 z2 |1 AF AB Ad Af :|2 AB =c^c _e =e3 ||  