Develop harmonies in accordance with the predetermined musical layout.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/4=100
M:2/4
K:D
 (a/g/) | fdd(B/c/) | eAA(B/c/) | ddee | a/g/(f/g/) ea/g/ | fdd(B/c/) | eAA(B/c/) | 
 dd (e/d/)(e/f/) | ddd :: F/G/ | AA (A/d/)(c/d/) | AA (B/A/)(G/F/) | AA/A/Ad | A2 A(F/G/) | AAAd | 
 BBe>d | ceAc | d2 d :|  