Turandot: Act I. "Non piangere, Liù" ... "Ah! Per l'ultima volta!" (Calàf, Liù, Timur, Ping, Pong, Pang, the crowd) by Marcello Giordani , Joshua Hopkins , Metropolitan Opera Chorus , Marina Poplavskaya , Samuel Ramey , Tony Stevenson , Eduardo Valdes , Metropolitan Opera Orchestra , Andris Nelsons