Develop musical pieces that align with the predetermined guidelines.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:D
 AFAF ABcA | GEGE GABG | AFAF Adef | gfed Ad d2 :: efge edcd | eaag fedf | efgf edcd | 
 fdec Ad d2 :|  