Die Frau ohne Schatten
In 1952 he received the title of Hovsångare (Court Singer). Ralf died unexpectedly in Stockholm in 1954, but several recordings survive, notably his excerpts of "Lohengrin" with Tiana Lemnitz as Elsa, as Tristan with Helen Traubel as Isolde, as well as scenes from "Die Frau ohne Schatten" with Hilde Konetzni.