El oro del Rin
In January 2013 Radner appeared as the valkyrie Schwertleite in "Die Walküre" at the Teatro Comunale di Firenze under Zubin Mehta, and in March she again portrayed Erda in "Das Rheingold", conducted by Ingo Metzmacher at the Grand Théâtre de Genève. She traveled to Bucharest in September, where she sang Erda in a concert performance of "Das Rheingold" with the Radio Symphony Orchestra Berlin under the direction of Marek Janowski. The 2013–2014 season also included "Dvorak's Stabat Mater" with Santa Cecilia in Rome under Netopil.