Develop a musical composition that aligns with the given structural outline and thematic content.
X:1
L:1/8
M:4/4
K:G
['D2 B2 BA B^c d2 ^c2 dc', 'edeg fd Ad f2 fg ed d^c'  
X:1
L:1/8
M:4/4
K:G
 D2 B2 BA B^c | d2 ^c2 dc de | fe dc AG FG | AB GD (3FGF EF | D2 B2 BA B^c | d2 ^c2 dc de | 
 fe dc AG FG |1 (3ABA G2 G2 GE :|2 (3ABA G2 G2 Gf || gd Bd g2 ga | f2 e2 edeg | fd Ad f2 fg | 
 ed d^c d2 ef | gd Bd g2 ga | f2 e2 e2 e^c | d2 fe dc BF |1 G2 BA G2 Gf :|2 G2 B2 G2 (3GFE ||  