Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
Q:3/4=100
M:6/4
K:Amin
['E2 A4 A2 A3 ^G A2 B4', 'e4 (cd) e4 e2 e3 f g2'  
X:1
L:1/8
Q:3/4=100
M:6/4
K:Amin
 E2 | A4 A2 A3 ^G A2 | B4 B2 B3 A B2 | c3 d c2 B4 A2 | e6- e4 :: (cd) | e4 e2 e3 f g2 | 
 d4 d2 d3 e f2 | c4 c2 c3 d e2 | B3 c d2 e4 d2 | e3 d c2 B3 A ^G2 | A6- A4 :|  