Over the next decade Jo maintained a busy schedule, singing Lucia in Strasbourg, Barcelona, Berlin, and Paris; "La sonnambula" in Brussels and Santiago, Chile; "I Capuleti e i Montecchi" with Minnesota Opera; Olympia and Rosina in New York; the Queen of the Night in Los Angeles; Gilda in Bilbao, Oviedo, Bologna, Trieste, and Detroit among others; "Il turco in Italia" in Spain; "L'enfant et les sortilèges" in Boston and Pittsburgh; "Le comte Ory" in Rome; and "Dinorah" in New York. She also appeared in performances at the Théâtre du Châtelet, Théâtre des Champs-Élysées, Opéra National de Paris, Washington Opera, the Deutsche Oper Berlin, Opera Australia, and the Teatro Colón.