Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:6/8
K:A
['cAA eAA', 'c2 c ecA']  
X:1
L:1/8
M:6/8
K:A
|: B | cAA eAA | aga e2 d | cAA eAA | Bcd Bcd | cAA eAA | aga e2 d | cec BAB | cAA A2 :: B | 
 c2 c ecA | dcd a2 e | c2 c ecA | Bcd Bcd | c2 c ecA | dcd a2 e | cec BAB | cAA A2 :|  