A full length operetta in two acts based on the play The Importance Of Being Ernest by Oscar Wilde. Libretto: Eugene Benson. Premiere: Toronto Operetta Theatre, February 22, 23, 24, 2008. Jeffrey Huard, conductor. Guillermo Silva-Marin, director and producer. CAST LADY BRACKNELL. (Low Mezzo) A most formidable lady, and in her early fifties. GWENDOLEN. (High Mezzo) About 23, Lady Bracknell’s daughter CECILY. (Coloratura ...