Maria Ivogün [orig. Ilse von Gunther] (18 November 1891, Budapest - 3 October 1987, Beatenberg, Switzerland): Hungarian soprano seen here as Rosina in Il Barbiere di Siviglia, and Olympia in Tales of Hoffmann. Debut (1913) at the Munich Royal Opera as Mimi. She was greatly admired in Munich where she stayed until 1925. She sang in the 1917 world premiere of Palestrina. Married (1921-32) to tenor Karl Erb, and after 1933 to pianist Michael Raucheisen. She was said to have had one of the most beautiful coloratura voices of the 20th century.Russian Konstantin Isachenko was known for his lyric tenor voice, which was both beautiful and youthful. Although small, his voice could penetrate orchestras.American mezzo-soprano Marion Ivell (1881? - 17 Feb 1969). Ivell toured America with the Castle Square Opera Company of Boston and the English Grand Opera Company from 1898 to 1905. After that period and until 1935 she was seen in Europe. Upon her retirement she married Vincenzo Celli, a principal dancer with La Scala and the Metropolitan Opera. She lived in the Ansonia in New York, and died in New York (St. Claire's Hospital). Her most-performed role was Carmen and, according to a news article, sang the role over 1,000 times in the United States and Europe. In 1906 she sang with the Opéra Comique, and other European houses until 1935.