[6] In 2010 she performed the role of Margarete in Arthur Honegger’s Jeanne d'Arc au bûcher at the Musikverein in Vienna under the baton of Bertrand de Billy.
[6] In 2012 Yu made her debut at the Metropolitan Opera as Leonora, and subsequently returned to the Met in 2013-2014 as Fiordiligi in Così fan tutte.
[8] She also appeared as Lina in Stiffelio and the Voice of the High Priestess in Aida at the Teatro Regio di Parma in 2012.
[9][10] In 2014 Yu portrayed Fiordiligi at the Cologne Opera, Nedda in Pagliacci at the Stadttheater Klagenfurt, and Countess Almaviva in The Marriage of Figaro at the National Centre for the Performing Arts in Beijing.
[11][12] In 2015 she portrayed Liu in Turandot at the Bregenz Festival, Mimi in La bohème at the Zurich Opera and the Deutsche Oper Berlin, and both Countess Rosina in John Corigliano's The Ghosts of Versailles and Countess Almaviva in The Marriage of Figaro at the Los Angeles Opera.