Karin Branzell was a Swedish operatic contralto, who had a prominent career at the Metropolitan Opera, New York, and in Europe. Her very wide range enabled her to sing both contralto roles and the occ

Lauritz Melchior was a Danish-American opera singer. He was the preeminent Wagnerian heldentenor of the 1920s through the 1940s and has come to be considered the quintessence of his voice type. Late i