Christiane Karg Festival in 2006, as Melia in Mozart's "Apollo et Hyacinthus" and as Weltgeist in his "Die Schuldigkeit des ersten Gebots". A year later she appeared there as Madame Silberklang in his "Der Schauspieldirektor" and in a title role of his "Bastien und Bastienne". From the 2008/09 season, Karg was a member of the Frankfurt Opera where she appeared as Susanna in Mozart's "Le nozze di Figaro", as Pamina in his "Die Zauberflöte", as Musetta in Puccini's "La bohème", Zdenka in "Arabella" by Richard Strauss, and the title role in Debussy's "Pelléas et Mélisande". She appeared as Sophie in "Der Rosenkavalier"
Ramón Iriarte doors opened to him in the opera world. As Claudio in Montero's "Virginia," and roles in "L'amico Fritz", "Carmen", "Aida", "Pagliacci", "Madama Butterfly", and "Bastien und Bastienne" had become part of Iriarte's wide music repertoire full of success. One of the main places where Iriarte got to show his talent in a national way was in the Teatro Municipal de Caracas. In 1967 was the first time he performed internationally in New York City where he gained fame and reputation. His baritone's life kept blooming as the years passed. For over twenty–five years he dedicated his life to opera and