Develop harmonic tunes by conforming to the outlined musical pattern.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:3/8
K:G
 A |: A_BG | FDA | A_BG | FDD | G>FG |1 A>GA | _Bdc | A3 :|2 A>G A/_B/ | A2 F | G3 |: AFd | BGB | 
 A/B/A/G/F/E/ | F D/E/F/G/ | AFd | BGB | A/B/A/G/F/E/ |1 D>E F/G/ :|2 D2 ||  