appeared at the Aix-en-Provence Festival as Lichas in Hercules by George Frideric Handel, with Les Arts Florissants under conductor William Christie, revived at the Paris Opera and at the Vienna Festival. In the spring and summer of 2005, Ernman created the title role in Philippe Boesmans's Julie, appearing at la Monnaie, at the Vienna Festival, and in Aix-en-Provence. In 2006 she sang as Nerone in L'incoronazione di Poppea in Brussels and Berlin, then as Dido in Dido and Aeneas with William Christie at the Vienna Festival. She also sang in Agrippina at Oper Frankfurt. In August 2006, Ernman made her debut at the Salzburg Festival as Annio in La clemenza di Tito under conductor Nikolaus Harnoncourt. In 2007, her roles included Sesto in Giulio Cesare with René Jacobs in Vienna, Cherubino in Le nozze di Figaro with Daniel Harding in Aix-en-Provence, and Nerone in L'incoronazione di Poppea in Amsterdam. In 2008 she sang Angelina in La Cenerentola with the Royal Swedish Opera and Dido and Aeneas with Christie and the Opéra-Comique in Paris. In 2009 she reprised Angelina in La Cenerentola with Oper Frankfurt and the Swedish Royal Opera, and Dido in Dido and Aeneas with Christie in Vienna and Amsterdam. In 2010, she sang the castrato role of Idamante in Idomeneo under Jérémie Rhorer at the Theatre de la Monnaie in Brussels, where her "feisty" portrayal of the prince was "as if to the gender born, her efforts rewarded by the inclusion of the usually cut aria 'No, la morte'. Vienna saw her in the title role of Serse by Handel in October 2011 at the Theater an der Wien, and the following season she sang Eduige in the Nicolas Harnoncourt-led production of Handel's Rodelinda at the same house, later released on DVD. Back in the city as Elena in La donna del lago in August 2012, she was "impressive... dealing with the vocal difficulties with aplomb and managing the extra dramatic demands made on her with genuine expressivity". She added Béatrice to her repertoire in 2013 in performances at Theater an der Wien of Berlioz's late opéra-comique. Also in 2013 she returned to the part of Aggripina at the Gran Teatre del Liceu in Barcelona, in a production by David McVicar conducted by Harry Bicket. Ernman has sung several major roles with the Staatsoper Berlin, including Cherubino in Le nozze di Figaro and Zerlina in Don Giovanni, both