Verdi: AidaAmazon. com Behind the pyramids and the elephants, the long lines of prisoners of war and of slaves carrying booty, the choral shouts of "Glory to Egypt," and the splendid brass sounding the Triumphal March, Aida is the story of a love triangle: Aida, an Ethiopian princess who has become a slave in Egypt; Amneris, an Egyptian princess; and Radams, the Egyptian general they both love (Aida secretly). There are ironies and conflicts: How can she love a