Compose a tune following the outlined musical pattern.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/4
K:G
 (GD)(DG) | (GD)(DG) | (Ac)(cB) | (BA) .A2 | (GD)(DG) | (GD)(DG) | (cA).F.A | G2 G,2 :: (dg)(gf) | 
 (fe) .e2 | dedc | (BA) .A2 | (dg)(gf) | (fe) .e2 | dedc | (BA) .A2 | (dg)(gf) | (fe) .e2 | dcBA | 
 G2 G,2 :: G/G/G/G/ G/G/G/G/ | G/G/g/g/ f/f/e/e/ | e2 e2 | G/G/G/G/ G/G/G/G/ | d/d/c/c/ B/B/A/A/ | 
 [G,G]2 [G,G]2 :|  