Develop harmonies in accordance with the predetermined musical layout.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:4/4
K:D
 f2 ed edBc | dBcA BAFA | B3 d AFDF | GEFD EDB,e | fd d2 ec c2 | dBcA BAFA | B3 d AFDF | 
 GBAG FDD |] A | d2 dA dAFA | B3 d cAAd | BdAd GdFd | EFGE FDD :|  