 (The enormous-voiced Dutch baritone Anton van Rooy, a Wagner specialist, sang John when the opera reached the Met in 1907).Then, in 1925, Germany's Leo Schützendorf created the title baritone role in Alban Berg's harrowing "Wozzeck".In a separate development, the French composer Claude Debussy's post-Wagnerian masterpiece "Pelléas et Mélisande" featured not one but two lead baritones at its 1902 premiere.