Construct melodic lines keeping the provided musical organization in mind.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:D
|:"D" A2 FA df f2 | dfef"G" dB B2 |"D" A2 FA dfec |"A7" dBAF"D" AD D2 ::"D" faab afdf | 
 afef"G" dB B2 |"Bm" fbba bafa | bfaf"A" feea |"D" bf f2 af f2 | afef"G" dB B2 |"D" A2 FA dfec | 
"A7" dBAF"D" AD D2 :|  