Develop harmonies in accordance with the predetermined musical layout.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
Q:1/4=84
M:2/4
K:D
 (d/e/) | f2 (f/g/f/)e/ |{e} dBBd | AAdf | fe e(d/e/) | f2 (f/g/f/)e/ |{e} dBBd | AAfe | e2 d :| 
 A | (Ad) .d.d | (ed) .d.d | f2 .d.d | f(e/d/) ef | A.d/.d/ .d.d | e.d/.d/ .d.d | affd | 
 e(f/g/) (f/e/)(d/e/) | f2 (f/g/f/)e/ |{e} dBBd | AAdf | fe e(d/e/) | f2 (f/g/f/)e/ |{e} dBBd | 
 AAfe | e2 d |]  