Compose a piece of music following the specified structure and theme.
X:1
L:1/8
M:4/4
K:Amin
['c2 d2']  
X:1
L:1/8
M:4/4
K:Amin
 AG | E2 A2 A2 B2 | c4 c2 dc | B3 A G2 ^F2 | G6 AG | E2 A2 A2 B2 | c4 c2 d2 | e3 d c2 d2 | e6 g>f | 
 e3 d c2 d2 | e3 f g2 fe | d3 c B2 c2 | d6 cd | e2 c2 d2 cB | c2 BA B2 AG | E2 A2 A2 G2 | A6 |]  