Met press office: “Following today’s earlier announcement of his cancellation,  Joseph Calleja has recovered and now plans to sing Edgardo in this evening’s performance of Donizetti’s Lucia di Lammermoor as originally scheduled.”  Previously: Salvatore Cordella will sing Edgardo in this evening’s performance of Donizetti’s Lucia di Lammermoor, replacing Joseph Calleja, who is ill.