Yusif Eyvazov will sing Calàf in the October 3, 6, 9, and 12 performances of Puccini’s Turandot, replacing Roberto Aronica, who has withdrawn for personal reasons. Riccardo Massi will sing the role in performances on October 19 23, 26; the singer for the role in the October 31 performance will be announced at a later date,” the Met press office tells us.