Joan Sutherland, one of the most acclaimed sopranos of the 20th century, a singer of such power and range that she was crowned “La Stupenda,” died on Sunday at her home in Switzerland. She was 83...It was Italy’s notoriously picky critics who dubbed the Australian-born Ms. Sutherland the Stupendous One after her Italian debut, in Venice in 1960. And for 40 years the name endured with opera lovers around the world. Her 1961 debut at the Metropolitan Opera in New York, in Donizetti’s “Lucia di Lammermoor,” generated so much excitement that standees began lining up at 7:30 that morning. Her...