Previously, PBS had told WTTW that it would have a year in which to broadcast the four-and-a-half-hour special.
"If [the Met] would extend the broadcast rights, we would schedule in a heartbeat," programming director Dan Soles said.
The concert included performances by Ren_e Fleming, Kiri Te Kanawa, Deborah Voigt, Plšcido Domingo, Mirella Freni, Karita Mattila, Olga Borodina, Susan Graham, Denyce Graves, Ben Heppner, Thomas Hampson, and Ildar Abdrazakov, among other leading singers.