简介：Leonard Warren (April 21, 1911 – March 4, 1960) was an American opera singer. A baritone, he was a leading artist for many years with the Metropolitan Opera in New York.
简介：Leonard Warren (April 21, 1911 – March 4, 1960) was an American opera singer. A baritone, he was a leading artist for many years with the Metropolitan Opera in New York.
