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:A
 af |: ec (3.c.c.c ec (3.c.c.c | BABc d2 af | ec (3.c.c.c ec (3.c.c.c |1 BABc A2 (3.a.g.f :|2 
 BABc A2{d} cB || ABce a2 a2 | (3faf df [ec]3 c | de{a}fe cdec |1{Bd} BABc d2{cd} cB :|2 
{Bd} BABc A2 af ||  