Develop musical pieces that align with the predetermined guidelines.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:6/8
K:D
 B | d>ef A2 d | B2 d A2 B | d>ef A2 a | f2 a fed | def A2 d | B2 e A2 g | f2 d faf | e3 d2 :: A | 
 d2 e f2 a | f2 a Tfed | d2 e Tf2 a | e2 f edB | d2 e Tf2 a | f2 a fed | g2 e faf |] e3 d2 :|  