Develop a tune that adheres to the given musical structure.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:Dmix
|: A D3 A4- | A2 AG EFGE | A D3 A4 | ABAG E2 D2 :: efge defg | a2 ag e2 d2 | efge d4- | 
 d2 AG E2 D2 :|  