 In 2004/5 Plowright performed Fricka in "Das Rheingold" and "Die Walkure" in the new production of Wagner's "Ring" at the Royal Opera House.In the 2007–8 season Plowright returned to Covent Garden as Fricka in the "Ring", appeared at the Metropolitan Opera as Gertrude in "Hänsel und Gretel" and at the Paris Opera as the Mother in "Il prigioniero".In the 2010–11 season Plowright added the roles of Mme de Croissy in "Dialogues des Carmelites" and La Contessa de Coigny and Maddelon in "Andrea Chenier" in Stuttgart and in the Bregenz Festival.