Compose a piece adhering to the given musical structure and theme.
X:1
L:1/8
M:4/4
K:Amix
['BAeA{c} BAeA |{c} BAeA dBGA Beed efge']  
X:1
L:1/8
M:4/4
K:Amix
{c} BAeA{c} BAeA |{c} BAeA dBGA | Beed efge | dBGA BcdB :|  