Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
Only One Section  
X:1
L:1/4
M:4/4
K:G
 D | G G G/F/ E | D G/B/ A z | B/B/ B A2 | G2 z G/A/ | B c/e/ d B | A B c z | B2 d B | A G A2 | 
 B/B/ B A2 | G2 z |]  