Compose a song following the given musical structure and style guidelines.
'Sectional: Through Composed'  
X:1
L:1/8
M:2/4
K:none
[K:D] AA/A/ AA | cA ce | aa/a/ aa | a2 z A |: ff/f/ f/a/g/f/ | fe/d/ .e2 | ee e/f/g | fa .d2 | 
 gg g/b/a/g/ | gf/e/ fa/f/ | ag/f/ e/A/B/c/ | dd d z :: g2 eb | a2 .f2 | fe gc | d/e/f/g/ .a2 | 
 g2 eb | a2 f2 | ef/a/ ag | ff f z ::[K:G] db/b/ ba | gB !>!d2 |"_c" cf cf | f/a/f/d/ bg | 
 db/b/ ba | gB !>!d2 |"_c" cf cf | gg g z :|  