Construct a music composition that complies with the designated structure and theme.
X:1
L:1/8
M:2/2
K:Amin
['(3AAA (BA)', '(3AAA a2 (3AAA g2 Aage agea'  
X:1
L:1/8
M:2/2
K:Amin
 B | (3AAA (BA) GAAB | (3AAA (BA) edde | (3GGG BA BGGB | c2 (BA) BGGB | (3AAA (BA) GAAB | 
 (3AAA (BA) edda | gedB GABd | e3 dB eAA :: B | (3AAA a2 (3AAA g2 | Aage agea | (3GGG BA BGGB | 
 c2 (BA) BGGB |1 (3AAA a2 (3AAA g2 | Aage agea | gedB GABd | e3 dB eAA :|2 (3AAA BA GAAB | 
 (3AAA (BA) edda | gedB GABd | e3 dB eAA | G A7 ||  