Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
['dB/G/ DG .F.F.F.F cA/F/', 'dB/G/ D/G/B/d/ cA/A/ AA cA/F/ EF'  
X:1
L:1/8
Q:1/4=140
M:2/4
K:G
 dB/G/ DG | .F.F.F.F | cA/F/ DF | .G.G.G.G | dB/G/ DG | .F.F.F.F | cA/F/ DF | .G.G.G.G :| 
 dB/G/ D/G/B/d/ | cA/A/ AA | cA/F/ EF | GB d2 | dB/G/ D/G/B/d/ | cA/A/ AA | cA/F/ EF | GG G2 :|  