Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:4/4
K:A
['c3 A BE E2 EFGA B2 Bd', 'BEGB agab aece |1 (3fga ed cA']  
X:1
L:1/8
M:4/4
K:A
|: c3 A BE E2 | EFGA B2 Bd | cdBc Aceg |1 afed cAAB :|2 afed cA A2 |: agab aece | (3fga ec BEGB | 
 agab aece |1 (3fga ed cA A2 :|2 (3fga bg afed ||  