Design a musical piece in accordance with the given musical template in language.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:D
 ag |] f2 ef dBAG | FGAB BA G2 | Adde f2 ed | cd ef g2 ag | f2 ef dBAG | FGAB BA G2 | Adde f2 ed | 
 Addc d2 z2 || f3 g a3 z | abag fd d2 | f3 g a3 z | abaf gbag | f3 g a3 z | b2 ag fd d2 | 
 bgaf gfed | cdef g2 ||  