Compose a piece of music based on the melodic structure provided.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/2=80
M:2/2
K:G
 D | D3 F G3 A | BABd cBAG | GFED DEFG | AFdF E2- EF | D3 F G3 A | BABd efge | dcBA GFGA | 
 B2 G2 G2 z :: d2 | gfga gbag | fefg fagf | edef gfed | B2 e2 e3 g | dcBc d2 cB | cdef g2 fe | 
 dcBA GFGA | B2 G2 G2 :|  