 This was followed by engagements at various opera houses around the world throughout the 1960s, including the Polish National Opera, La Monnaie, Teatro dell'Opera di Roma, Hamburg State Opera, Vienna State Opera, Vancouver Opera, Zurich Opera, Miami Opera, Philadelphia Lyric Opera Company, and the Royal Opera at Covent Garden among others.In 1961, Bjoner joined the roster at the Bavarian State Opera where she performed repeatedly through 1965.Her roles with the company included the Empress in Richard Strauss's "Die Frau ohne Schatten" (1963), the title role in Strauss's "Daphne" (1964), and Isolde in Wagner's "Tristan und Isolde" (1965) among others.