Harry Kupfer, Director and 'Opera King of Berlin,' Dies at 84 - The New York Times
![Der Ring des Nibelungen [Wagner's Ring cycle] - Barenboim / Kupfer - YouTube](https://i.ytimg.com/vi/TJk4rb7za54/maxresdefault.jpg "Der Ring des Nibelungen [Wagner's Ring cycle] - Barenboim / Kupfer - YouTube")
Der Ring des Nibelungen [Wagner's Ring cycle] - Barenboim / Kupfer - YouTube
Bayreuth's new Ring doesn't come full circle | The New Criterion
A Ring at Bayreuth that goes nowhere | TheArticle
Bayreuther Festspiele 1991/1992: Der Ring des Nibelungen - Siegfried | Livestream | BR-KLASSIK | Bayerischer Rundfunk
mostly opera: Barenboim Kupfer Bayreuth Nibelungen Ring on DVD
Classical Net Review - Wagner - Der Ring des Nibelungen
mostly opera: Barenboim Kupfer Bayreuth Nibelungen Ring on DVD
Review | New Bayreuth Festival Ring Cycle — A Stew of Undercooked Ideas
Introduction to Wagner, Der Ring des Nibelungen
Kupfer/Barenboim Ring – 1. Das Rheingold | operaramblings
Why Barenboim is the Ring master of our age | Opera | The Guardian
Review: A New 'Ring' at Bayreuth Does Wagner Without Magic - The New York Times
The Ring Cycle review – ideas-free patchwork staging signals Bayreuth's fading authority | Opera | The Guardian
Amazon.com: Wagner: Der Ring des Nibelungen : Bayreuth Festival, Siegfried Jerusalem, John Tomlinson, Anne Evans, Daniel Barenboim, Harry Kupfer, Richard Wagner: Movies & TV
Der Ring des Nibelungen | Wagneropera.net
