Craft a musical piece that abides by the prescribed structural guidelines and the given theme.
X:1
L:1/8
Q:1/2=96
M:4/4
K:Amix
['e A>A e2 cAAc dBcA BGGB A<Ae>A', 'A c A<A a2 c<cac g2 eg'  
X:1
L:1/8
Q:1/2=96
M:4/4
K:Amix
 e | A>A e2 cAAc | dBcA BGGB | A<Ae>A c>Ae>A | d>G B/A/B e2 A :| c | A<A a2 c<cac | g2 eg BcdB | 
 a<eea c<ce>c | g2 d>B e2 A :|  