Sinful treat
OperaShiny swags of gold cloth hang in front of the curtain before David McVicar’s production of Der Rosenkavalier, and that’s good. You want a touch of luxury in a Rosenkavalier. This is 20th-century opera’s great sinful, indulgent treat. Think of it and you think of Karajan and Schwarzkopf: huge creamy voices, silken Viennese strings, and
