Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
Q:1/8=120
M:2/2
K:G
['GA B3 d cBAG E2 (3DEG A2', 'G2 BA G>ABc d2 de dBAG d2'  
X:1
L:1/8
Q:1/8=120
M:2/2
K:G
 GA | B3 d cBAG | E2 (3DEG A2 Bd | e>fge dBAG | E>FGA G2 :| BA | G>ABc d2 de | dBAG d2 ef | 
 gf e/f/g/a/ gfed | Bd ef g>def | gfed B2 (3efg | fdAG A2 Bd | edBg dBAG | E>FGA G4 |]  