Create tunes that fit within the given musical structure.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/2
K:D
 B | AFAf edBd | AFAB dedB | AFAf edBg | faAB d2 d :| g | fedf edBg | fefg abag | fedf edBg | 
 faAc d2 dg | fedf edBg | fefg abaf | gbfa edBg | faAc d2 d ||  