Robyn Nevin has been a leading talent in Australian theatre for decades, but her latest role may be one of her toughest yet — in A German Life at the Adelaide Festival, she'll become Brunhilde Pomsel, secretary to the Nazi minister for propaganda, Joseph Goebbels.

Also, how Richard Wagner's Das Rheingold, the first part of his Ring Cycle, changed the sound of opera forever and we discuss Anton Chekhov's The Cherry Orchard with creatives from Black Swan's new adaptation and two Year 12s studying the play.