Create musical compositions adhering to the given structure and incorporating the provided musical concept.
X:1
L:1/8
M:4/4
K:Amin
['A2 cA eAcA', 'a e3 f d3'  
X:1
L:1/8
M:4/4
K:Amin
|: A2 cA eAcA | eAcA BAGB | A2 cA eAcA | FDGF E4 | A2 cA eAcA | eAcA BAGB | A2 cA eAcA | BAGB A4 :: 
 a e3 f d3 | e c3 d B3 | a e3 f d3 | fdgf e4 | a e3 f d3 | e c3 d B3 | a e3 f d3 | ecBc A4 :|  