Compose tunes based on the given musical structure.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:2/2
K:A
 (uaf)S | (ec)cA (dB)BG | (Aa)ga (fg)af | (ec)cA (dB)BG | A2 c2 A2 :: uc2 | [BE]2 d2 [cE]2 e2 | 
 [BE]2 d2 [cE]2 e2 | [BE]2 d2 [cE]2 e2 | edcB A2 :: ud2 | c2 (cd) edcd | B2 (Bc) d2 c2 | 
 (dc)de (fg)af |1 edcB A2 :|2 (ga)bg (ag)a"_D.C."fS |]  