Compose a piece of music following the specified structure and theme.
X:1
L:1/8
Q:1/2=90
M:2/4
K:G
['e2 dB']  
X:1
L:1/8
Q:1/2=90
M:2/4
K:G
 Eeef | e2 dB | defd | eBdA | Beef | e2 dB | ABdF | E/E/E"^qu" E2 ::  