Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
Only One Section  
X:1
L:1/8
M:4/4
K:G
 G2 GA B2 AA | G8 | A2 AB c2 BB | A6 A2 | A2 AB c2 (BA) | GA BG A2 D2 | G2 GA B2 A2 | G8 |]  