WHEN the Bratislava-born soprano Lucia Popp passed away in 1993, the opera world mourned a performer who had brought emotional depth and perspective to music. She had come close to perfecting the role ...

Popp, a longtime leading soprano with the Vienna State Opera, died of cancer in Munich, Germany, on Tuesday. She was 54. In recent years, Popp was a standout in annual productions of Johann Strauss’ ...