简介：Helen Francesca Traubel (June 16, 1899 – July 28, 1972) was an American opera and concert singer. A dramatic soprano, she was best known for her Wagnerian roles, especially those of Brünnhilde and Isolde.[
简介：Helen Francesca Traubel (June 16, 1899 – July 28, 1972) was an American opera and concert singer. A dramatic soprano, she was best known for her Wagnerian roles, especially those of Brünnhilde and Isolde.[
