Develop a tune that adheres to the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/4
K:D
 A>B A>B | A>f d2 | A>B A>B | Af d2 | cd/-d/ e2 | d(e/^e/ f2) | a>g f>e | dfd z || c>A ^G>A | 
 d>A ^G>A | e>A ^G/A/ | (f2 d2) | g>e ^d>e | f>d c>e | e>A f>e | d3 z || B>c B>c | B>d d>f | 
 f>g a>d | b2 g z | B>c B>c | B>d d>f | e>f b>a | g z g z ||  