Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bmin
['f2 ed c2 A2']  
X:1
L:1/8
Q:1/8=232
M:4/4
K:Bmin
 f2 | Bc de f4 | fe fa f2 ed | c2 A2 e2 A2 | cd ef e2 dc | Bc de f4 | fe fa f2 ed | c2 A2 f2 ef | 
 d2 B2 B2 f2 | Bc de fB B/B/B | aB B/B/B f2 ed | c2 A2 e2 A2 | cd ef e2 dc | Bc de fB B/B/B | 
 aB B/B/B f2 ed | c2 A2 f2 ef | d2 B2 B2 :|  