Design a musical composition incorporating the alphabetic expression of the chosen structure and the provided melodic theme.
X:1
L:1/8
Q:1/4=132
M:7/8
K:Amin
['E2 FEDCD', 'E3 ^G2 B2 d3 B4 e2 f']  
X:1
L:1/8
Q:1/4=132
M:7/8
K:Amin
"A" E2 FEDCD | E2 FEDCD | E2 FEDCD | E2 FEDCD |"E" B2 ^G A2 F2 | EDC B,3 C | D2 CB,A,^G,A, | 
 ^G,7 |:"A" E3 A2 c2 | f3 e4 | f3 e2 d2 |"E" c2 B B4 | E3 ^G2 B2 |"G" d3 B4 |"E" e2 f edcB | 
"A" A7 ::"A" A3 A2 A2 |"D" A3 F2 D2 |"E" B2 cBA^GA | B7 | E3 ^G2 B2 |"G" d3 B4 |"E" e2 f edcB | 
"A" A7 :|  