Develop harmonies in accordance with the predetermined musical layout.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:D
|: FA GB | Af f/=f/^f | Ge e/^d/e | Fd d/c/d | FA GB | Af f/=f/^f | Ge e/^d/e |1 dd dA :|2 dd d2 |: 
 dB B/^A/B | AF F/=F/^F | GE E/^D/E | FD D/C/D | dB B/^A/B | AF F/=F/^F | GE E/^D/E |1 Dd d2 :|  