Employ the subsequent musical design as a foundation for your piece.
'Ternary', 'Sectional: Verse/Chorus/Bridge'  
X:1
L:1/8
M:4/4
K:A
 E2 |: A2 AB cAce | a2 ga fece | fgaf ecAc | dBcA BGGB | A2 AB cAce | a2 ga fece | fgaf gabg | 
 agac' a4 :: cAAA cAAA | cAAA fgaf | cAAA cAAc | dBcA B2 AB |1 cAAA cAAA | cAAA fgaf | cAAA cAAc | 
 BEcB A2 AB :|2 A2 AB cAce | a2 ga fece | fgaf gabg | agac' a2 ||  