Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
M:2/4
K:Amix
['e A>B c>A e>A cB/A/ G>A B/B/g', 'A e a2 e a c/A/c/e/ ag/f/'  
X:1
L:1/8
M:2/4
K:Amix
 e | A>B c>A | e>A cB/A/ | G>A B/B/g | G>A BA/G/ | A>c B>d | ce ed/c/ | B/B/g e/d/c/B/ | c A A :| 
 e | a2 e a | c/A/c/e/ ag/f/ | g>e d/d/g/ | B/G/B/d/ gf/e/ | ea ag/f/ | gf/e/ ed/c/ | 
 B/B/g e/d/c/B/ | c A A :|  