Develop a tune that adheres to the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:A
 B || AF F2 E2 CE | A,ECE d2 cB | AF F2 E2 CE | A,ECE A4 | ABAF E2 CE | A,ECE d2 cB | AF F2 E2 CE | 
 A,ECE A3 c || ec c2 ecBc | ec c2 f3 a | ec c2 ecef | c2 BA FA A2 | ec c2 ecBc | ec c2 f3 g | 
 affe faec | dBBA BdcB ||  