Franco Zeffirelliâs golden production stars the great dramatic soprano Nina Stemme as Turandot, the icy Chinese princess who has renounced all men. Marco Berti is CalĂ f, the unknown prince who solves Turandotâs riddles and wins her love. Anita Hartig sings LiĂč, the faithful slave girl who gives her life to save CalĂ f, and Alexander Tsymbalyuk is Timur. Paolo Carignani conducts.