Base your composition's organization on the established musical structure.
Only One Section  
X:1
L:1/4
Q:1/8=100
M:3/4
K:G
"^moderate" B/c/ | d g f | g a b | g f d | d2 d/e/ |"^5" =f e d | e f g | d c B/G/ | A2 =f/e/ | 
"^9" d c A | G G A/B/ | c d B/G/ | A2 d/c/ |"^13" d g f/g/4a/4 | g d/c/ B/c/ | A G G | G2 =f/e/ | 
"^17" d c A | G G A/B/ | c d B/G/ | A2 d/c/ |"^21" d g f/g/4a/4 | g d/c/ B/c/ | A G G | 
 G3/2- G3/2 |]  