Compose a piece of music based on the melodic structure provided.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:D
 A | dfec dBAF | GABd cAAc | dfec dBAF | GBAG FDD :: A | d2 fd adfd | Adfd Beef | d2 fd adfd | 
 gbag fdd :|  