Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
['c g2 e', 'ceAe ceAe'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 c g2 e gcge | c g2 e dBGB | c g2 e gcge | afge dBGB :: ceAe ceAe | ceAe (d/c/B/A/) GB | 
 ceAe ceAe | afge dBGB :|  