Compose a song following the given musical structure and style guidelines.
'Sectional: Through Composed'  
X:1
L:1/16
M:2/4
K:G
 D2GB A2G2 | F2Ae d2c2 | F2Ac E2F2 | G2Bg e2d2 | D2GB A2F2 | F2Ae d2c2 | F2Ac E2F2 | G2G2G2 :| 
[K:D] A4 fed2 | (cd)(^de) a2g2 | (cd)(^de) f2e2 | (dc)(dB) A4 | A4 fed2 | (cd)(^de) a2g2 | 
 (cd)(^de) f2e2 | d4 =c4!D.C.! ||[K:G] gggg g2a2 | g2 z2 e'4 | e'e'e'e' e'2d'2 | e'e'e'e' e'2c'2 | 
 gggg g2a2 | g2 z2 e'4 | e'e'e'e' e'2d'2 | c'2c'2c'2!D.C.! ||[K:A] e2 | a^gab c'2ba | ^gab2 gab2 | 
 a^gab c'ba | e'2e'e' e'2e'2 | e2 | a^gab c'2ba | ^gab2 gab2 | e'2e'2e'2e'2 | e'2e'2e'2e'2!D.C.! ||  