Walter was initially wary of working with a relatively new singer, but after her audition his fears were allayed; "I recognised with delight that here potentially was one of the greatest singers of our time", he later wrote.
Walter era inicialmente cauteloso por traballar cunha cantante relativamente nova, mais logo da súa audición os seus temores disipáronse; "decateime con pracer de que aquí estaba cunha das mellores cantantes potenciais da nosa época", escribiu posteriormente.