Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:2/2
K:Amix
['A/A/A ec', 'A/A/A ac', 'A>cd f Aece Bcdf Aece Aece dfce', 'A/A/A ac']  
X:1
L:1/8
M:2/2
K:Amix
 a | A/A/A ec Bcdf | A/A/A ec AAec | A/A/A ec B>cdf | edc>B A>cd :: f | A/A/A ac Bcdf | 
 A/A/A ac AAac | A/A/A ac B>cdf | edc>B A>cd :: f | Aece Bcdf | Aece Aece | dfce B>cdf | 
 edc>B A>c d :: f | A/A/A ac B>cdf | A/A/A ac AAac | a/^g/f/e/ ac B>cdf | edc>B A>c d :|  