Develop musical pieces that align with the predetermined guidelines.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:A
 cdef ecac | ecac dB B2 | cdef ecac | dfed cA A2 :: E2 E2 A2 Ac | BABd cAFA | E2 E2 A2 Ac | 
 BABc Acec | E2 E2 A2 Ac | BABd cAFA | E2 E2 Acec | BABc A2 A2 :: (3efg | aece fgaf | ecBd cAFA | 
 aece fgaf | ecBc A2 :|  