On May 16, the Royal Opera House is set to celebrate Sir Antonio Pappano’s 22 years as Music Director with a gala performance. The gala will feature many leading singers including Diana Damrau, Ermonela Jaho, Lisette Oropesa, Sondra Radvanovsky, Nadine Sierra, Aigul Akhmetshina, Xabier Anduaga, Freddie De Tommaso, Jonas Kaufmann, Carlos Álvarez, Amartuvshin Enkhbat, Huw Montague Rendall, Gerald Finley, Bryn Terfel, {…}