Develop a musical piece that combines the given theme and letter-structured outline.
X:1
L:1/8
M:6/8
K:Amin
['cEE GEE cEE GAB', 'A2 g g_g=g ecc']  
X:1
L:1/8
M:6/8
K:Amin
 cEE GEE | cEE GAB | cEE GED | EAA A2 B | cEE GEE | cEE GAB | cBc AGD | EAA A2 A :: A2 g g_g=g | 
 ecc cBc | eaa aba | edd dcd | A2 g g_g=g | ecc cde | fed cAG | EAA A3 :|  