Develop a tune that adheres to the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:D
 B | A3 F DFAF | G2 BG cGBG | A3 F DFAF | GBAG E2 D :| B | ABde f2 df | g2 eg fedB | ABde fefg | 
 afdf e2 dB | ABde f2 df | g2 eg fedB | ABde faab | afdf e2 d |] B | A3 c BAGF | GABc dBAG | 
 FGAc BGGB | AFDF E2 DF | A3 c BAGF | GABc dBAG | FGAB defb | afdf e2 d :|  