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:2/4
K:Eb
 B | BBGE | A2 F2 | E2 z B | B>Bcd | edcB/F/ | B>Bcd | edcB/e/ | cBAG | F2 D2 | E2 z |]  