Create a melody and harmony adhering to the specified musical parameters.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:D
 (fg) |: a>fb>f a>fe>f | e2 [GB]2 [GB]2 z2 | [Ec]2 [Ec]2 c>A B>c |1 e2 d2 d2 (fg) :|2 
 e2 d2 d2 f>a |: d'2 d'2 d'>a a>a | (c'>b) (b>^a) b4 | c'2 c'2 (c'>a) a>a | 
 (b>a) (a>^g) a2 (b>c') | d'2 d'2 (d'>a) a>a | c'>b b>^a b4 | a>d' c'>b a>g f>e | d2 f2 d2 :|  