Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/4
M:3/2
K:Amin
['e2 A2 a2 g/a/ b e ^g', 'c2 e'  
X:1
L:1/4
M:3/2
K:Amin
 e2 A2 a2 | g/a/ b e ^g a2 | e g/f/ e g e c | d g2 d B G | c e f2 e f | d4 c2 |] e c2 e g e | 
 d B2 d g d | c e A c E A | ^G3 A B2 | c e2 B c A | ^f b2 ^f ^g e | a e f/e/ d e/d/ c | c2 B A2 |]  