found: Stravinsky, I. Les noces.
found: Ww opera(Wächter, Eberhard; baritone)
found: Washington post, 4/3/92(Eberhard Waechter, opera director, baritone, 63, d. 3/29/92, Vienna)
found: Wikipedia, February 11, 2014(Eberhard Wächter; born July 9, 1929, Vienna, died March 29, 1992, Vienna; Austrian baritone; administrator of the Vienna Volksoper and the Vienna State Opera after his retirement from singing)
found: Kutsch/Riemens. Grosses Sängerlexikon. 3. erw. Aufl.(Waechter, Eberhard; born July 9, 1929, Vienna, died March 29, 1992, Vienna; baritone)