 Other roles have included Gerhilde in "Die Walküre", the Flowermaiden in "Parsifal", Marguerite in "Faust" and Freia in "Das Rheingold" while, in March 2006, she sang Fiordiligi in "Così fan tutte".At the 2006 Mostly Mozart Festival in New York she caught the attention of Alex Ross who noted that "Erin Wall, a young Canadian, sang "Bella mia fiamma … Resta, o cara" (Mozart) with grace and fire, showing the sort of righteous rage that would make for a great Donna Anna.I hope someone from the Met was taking notes".