Compose a piece of music using the specified alphabetical notation system and the provided theme.
X:1
L:1/8
M:6/8
K:Bmin
['f fef', 'f fef', 'f fef', 'f fef', '']  
X:1
L:1/8
M:6/8
K:Bmin
 B2 f fef | g2 f fef | B2 f fef | efg fed | B2 f fef | g2 f fef | e2 c cBc | Fcd edc || B2 f fef | 
 g2 f fef | B2 f fef | gfe efg | fed edc | dcB Bcd | cee efg | fed cde || a2 f fef | d2 f fef | 
 a2 f fef | efg fed | a2 f fef | d2 f fef | e2 c cBc | Fcd edc || a2 f fef | d2 f fef | a2 f fef | 
 agf agf | fed edc | dcB Bcd | cee efg | fed cde || B6 ||  