Cyril and Libbye Hellier returned to the stage for the title roles of Humperdinck's "Hänsel und Gretel", for The New Opera Theatre, New Orleans. In the 1988-89 season, they alternated as Bastienne in the child Mozart's "Bastien und Bastienne" for the same ensemble. In the final season of The New Opera Theatre, they appeared in a Benefit Concert also featuring Natalia Rom. In April 1991, the Helliers were soloists in Part III of Handel's "Messiah" (in the Foundling Hospital Anthem version), at St Francis de Sales Cathedral, Houma. In October 1992, the sopranos made their New York debuts, as Kindred (Cyril) and Cousin (Libbye)
Claire Gibault "West Side Story". She has also conducted "Pelléas et Mélisande" (Covent Garden, London), "Le Comte Ory" (Glyndebourne Festival), "Cosi fan tutte" (Opera North), Chabrier's "L'étoile" (Edinburgh Festival), "Zaïde" and "Der Schauspieldirektor" (Bastille), "L'Enfant et les Sortilèges" (Châtelet), Boîeldieu's "La Dame Blanche" (Opéra-Comique, Paris), "Mitridate", "La Donna del lago", "Die Zauberflöte", "Le Nozze di Figaro" and "Bastien und Bastienne" (Nice), "La Clemenza di Tito" (Orléans), "La Traviata" (Nancy), "Idomeneo" and "Cosi fan tutte" (Liège), "Maria Stuarda" (Torino), "La Cenerentola" (Rome) and "Les Oiseaux de passage" (Bologna). She was Claudio Abbado's assistant for "Pelléas et Mélisande" at the Royal Opera House, La