Craft a musical piece in accordance with the designated structure and theme.
X:1
L:1/8
Q:1/2=90
M:4/4
K:Amix
['E>AA>B =c2 c>A d2 d>B e2 e>f', 'A2 f>g a>ff>a g>ee>g f>dd>f g2 ed'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:Amix
 E2 | E>AA>B =c2 c>A | d2 d>B e2 e>f | g>fe>d c>de>d | =c>A G>F G2 G2 | E>AA>B =c2 c>A | 
 d2 d>B e2 e>f | g>fe>d d>fe>c | A2 A2 A2 :| f>g | a>ff>a g>ee>g | f>dd>f g2 ed | c>de>f g>fe>d | 
 =c>A G>F G2 G2 | E>AA>B =c2 c>A | d2 d>B e2 e>f | g>fe>d d>fe>c | A2 A2 A2 |]  