1959 - Verdi - Rigoletto - Hugo Hasslo, Margareta Hallin, Nicolai Gedda, Kerstin Meyer, Arne Tyren - Stockholm Opera Chorus and Orchestra, Sixten Ehrling - (live recording issued on various labels)
Hunter's later Metropolitan Opera performances of Die Walküre in 1975 featured Birgit Nilsson as Sieglinde and were conducted by Sixten Ehrling.
Unlike Leonard Bernstein or Leopold Stokowski, however, he did not take the role of innovator on the podium.
Conductors Sixten Ehrling and Jorge Mester make comments on what they believe is the prevailing conservative attitudes among colleagues.