Design a melodic composition using the outlined structure while keeping within the customary elements of the given genre.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
Q:1/8=180
M:4/4
K:G
 (3DEF |: G2 (3BAG dGBd | eaag eg g2 | G2 (3BAG dGBd | (3ege dB AGED | G2 (3BAG dgBd | eaag efga | 
 bgag efge | (3gfe dB AGEF :: g2 fg edBc | dG G2 BGBd | g2 ag edBc | dG G2 BA A2 | g2 ag edBc | 
 dG G2 Bdga | bgag efge | g2 dB AGEF :|  