Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/4
Q:1/8=130
M:4/4
K:Cmin
['d e d/c/ =B/c/d/B/ c C C', 'G/ A G/F/ G =B', 'G G,', 'F D G G,']  
X:1
L:1/4
Q:1/8=130
M:4/4
K:Cmin
"^A" d | e d/c/ =B/c/d/B/ | c C C z | z4 | z3 d | e d/c/ =B/c/d/B/ | c C C z | z4 | z3 :| e/d/ | 
 e e B B | e e2 z | z4 | z3 g/f/ | e e/f/ d d/e/ | c/e/d/c/ =B3/2 G/ | A G/F/ G =B | c2 z g/f/ | 
 (e/g/)f/e/ (d/f/)e/d/ | c/d/e/f/{G=Bd} g3/2 G/ | A G/F/ G =B | c3 :|"^B" z | c C G G, | 
 C2 z C/D/ | E/C/F/D/ G G, | C G, C, z | c C G G, | C3 C/D/ | E/D/E/F/ G G, | C3 :| z | E2 D2 | 
 E E,2 z | E, E D, D | C, C =B, G, | c2 _B2 | A2 G2 | F D G G, | C G, C, z | C2 _B,2 | A,2 G,2 | 
 F D G G, | C3 :|  