Develop harmonic tunes by conforming to the outlined musical pattern.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:3/4
K:D
 AG |: F3 G AF | GF G2 ed | c2 cd cB | A3 B AG | F3 G AF | GF G2 ed | c2 cd ec |1 d4 AG :|2 
 d4 Ad || f4 gf | e3 d cd | ed eg fe | d4 Ad | f4 gf | e3 d cd | ed eg fe |1 d4 Ad :|2 d4 ||  