Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:6/8
K:Bmin
['B3 cd', 'g f3{g} fed cde ABc BFB cBc']  
X:1
L:1/8
M:6/8
K:Bmin
|: F B3 cd | c A3 Bc | d B3 cd | edc BAG | F B3 cd | c A3 Bc | dcd efg |1 fdB{c} B2 A :|2 
 fdB{c} B2 c |: dcd def | ec A a2 g | f3{g} fed | cde ABc | BFB cBc | dcd efg | fed cBA |1 
 B3{c} B2 c :|2 B3{c} B3 ||  