Compose a piece of music based on the melodic structure provided.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/2=90
M:4/4
K:G
 B2 GB c2 Ac | B2 GB AF D2 | B2 GB c2 ec | BGAF G2 G2 :: Bddg e2 dc | B2 GB AFED | Bddg e2 dc |1 
 BGAF G2 G2 :|2 dgfa g2 g2 :|  