 Preferable contracts emanated from the New York City Opera, and she made her first appearance with that company as the Reine de Chémakhâ in "Le coq d'or" (with Michael Devlin), in 1969.She was to appear at that theatre many times through 1977, singing such roles as Conceptión in "L'heure espagnol" (with Kenneth Riegel), Blondchen in "Die Entführung aus dem Serail" (opposite Patricia Brooks, then Beverly Sills), Violetta Valéry in "La traviata", the title heroine in "La belle Hélène", and Minnie in "La fanciulla del West", among others.In 1974, Armstrong first appeared in Europe, as Micaëla in "Carmen", at the Opéra du Rhin in Strasbourg.