Compose a piece of music based on the melodic structure provided.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/2=100
M:4/4
K:G
 D | G2 BG BddB | c2 ec eg g2 | G2 BG Bddg | edcB A2 G :| g | g2 bg afed | edef gdBG | g2 bg afed | 
 edef g2 a2 | bagf gfed | edef gdBG | cBcd efge | dBgB"^NB" A2 G |]  