Richard Wagner, Richard Wagner, Otto Schenk, Suzanne Gooch, Günther Schneider-Siemssen, Millicent Hacker, Susan Erben, Bill King, Günther Schneider-Siemssen, Daniel Anker, Joseph Volpe, Victor Callegari, Rolf Langenfass, James Levine, James Levine, Magda Szayer, Ron Washburn, Otto Schenk, Gil Wechsler, Jay David Saks