@book{ 0-1337254843, title = {Der Ring des Nibelungen: filmed at the Bayreuth Festspielhaus in June & July 1991 and 1992}, author = {Wagner, Richard and Kupfer, Harry and Wagner, Wolfgang and Hohlfeld, Horant H. and Barenboim, Daniel}, editor = {Kupfer, Harry}, editor = {Wagner, Wolfgang}, editor = {Hohlfeld, Horant H.}, editor = {Barenboim, Daniel}, address = {S.l.}, publisher = {Warner Classics}, year = {2007}, language = {German}, note = {Bonus feature: Daniel Barenboim and John Tomlinson talk anbout the Harry Kupfer production of the "Ring" at Bayreuth in 1991 and 1992}, note = {Operninszenierung. Deutschland. 1991. 1992}, url = {https://katalog.hmt-leipzig.de/Record/0-1337254843} }