sentences:  From the middle of the 1980s, Cortez, extremely conscious of the status of an artist of her calibre, started to abandon the prima donna roles in favour of more mature, real-life and age correspondent parts.She sang her last Eboli in 1982, her last Giulietta and Dalila in 1987, and her last Amneris in 1988.For someone who had been hailed "the most beautiful mezzo-soprano in the world" it required refinement and elegance to maintain that image.