(Credit: Javier del Real/Salva Lopez) The Théâtre des Champs-Elysées has announced its 2021-22 season featuring some of the biggest stars in the world, staged operas, and concert operas. Staged Opera  Debussy’s “Pelléas et Mélisande“ will be conducted by François-Xavier Roth and directed by Eric Ruf. Patricia Petibon, Stanislas de Barbeyrac, Sir Simon Keenlyside, Jean Teitgen, and Lucile Richardot star. Performance {…}