Develop harmonic tunes by conforming to the outlined musical pattern.
'Binary', 'Sectional: Verse/Chorus'  
X:1
L:1/8
M:2/4
K:A
|: .a.a.e.e | .f.f e2 | dBcA | G/A/B/G/ A[AA,] | .A.A.E.E | .F.F E2 | D[dB,][cC]A | G/A/B/G A2 :: 
 Ac B/c/d/c/ | cfeG | AE Ff/e/ | dBGE | FD [BB,]B/A/ | GE dB | cfeA | G/A/B/G/ A2 :|  