Craft a musical work based on the specified structure and given theme.
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
['gdBG c3 e', 'g2 fg'  
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
 f | gdBG | c3 e | dgdB | cAAf | gdBG | c3 e | dgdc | BGG :: f | g2 fg | aAAf | g2 fe | fddf | 
 g2 fg | afge | dgdc | BGG :|  