Question: Gerald Moore CBE (30 July 1899 – 13 March 1987) was an English classical pianist best known for his career as an accompanist for many famous musicians, among those with whom he was closely associated were which German soprano, and was among the foremost singers of lieder, and was renowned for her performances of Viennese operetta?

full_context: Document 1: Anne Schwanewilms: Anne Schwanewilms (born 1967, in Gelsenkirchen) is a German lyric soprano. She studied gardening before training in Cologne as a singer with the German bass Hans Sotin. She is particularly associated with performing the works of Richard Wagner, Franz Schreker, Alban Berg, and Richard Strauss. She sang the lead role of Carlotta in Franz Schreker's "Die Gezeichneten" at the Salzburg Festival in 2005, recorded and subsequently published on DVD by Opus Arte.
Document 2: Cosmé McMoon: Cosmé McMoon (born Cosmé McMunn; February 22, 1901 – August 22, 1980) was a Mexican-American pianist and composer, best known as the accompanist to notably tone-deaf soprano Florence Foster Jenkins.
Document 3: Renée Fleming: Renée Fleming (born February 14, 1959) is an American opera singer and soprano whose repertoire encompasses Richard Strauss, Mozart, Handel, bel canto, lieder, French opera and chansons, jazz and indie rock. Fleming has a full lyric soprano voice. She has performed coloratura, lyric, and lighter spinto soprano operatic roles in Italian, German, French, Czech, and Russian, aside from her native English. She also speaks fluent German and French, along with limited Italian. Her signature roles include Countess Almaviva in Mozart's "Le nozze di Figaro", Desdemona in Verdi's "Otello", Violetta in Verdi's "La traviata", the title role in Dvořák's "Rusalka", the title role in Massenet's "Manon", the title role in Massenet's "Thaïs", the title role in Richard Strauss's "Arabella", the Marschallin in "Der Rosenkavalier", and the Countess in "Capriccio".
Document 4: Carmen Reppel: Carmen Reppel is a German soprano active in both opera and concert. A member of the Staatstheater Hannover , she had a major international career, appearing in leading roles in over 60 operas. She also explored lesser-known repertoire such as Siegfried Wagner's "Schwarzschwanenreich " and appeared in contemporary operas, singing in world premieres of operas by Aribert Reimann and Flavio Testi. She is known for her parts in the "Jahrhundertring ", the centenary production of Wagner's "Der Ring des Nibelungen" at the Bayreuth Festival, including the filmed version of 1980.
Document 5: Ernest Lush: Ernest Lush (23 January 190812 May 1988) was an English classical pianist who was best known as an accompanist.
Document 6: Elisabeth Schwarzkopf: Dame Olga Maria Elisabeth Friederike Schwarzkopf, DBE (9 December 19153 August 2006) was a German soprano. She was among the foremost singers of lieder, and was renowned for her performances of Viennese operetta, as well as the operas of Mozart, Wagner and Richard Strauss After retiring from the stage, she was a voice teacher internationally. She is considered one of the greatest sopranos of the 20th Century.
Document 7: Geoffrey Parsons (pianist): Geoffrey Penwill Parsons AO OBE (15 June 192926 January 1995) was an Australian pianist, most particularly notable as an accompanist to singers and instrumentalists. After the retirement of Gerald Moore, he was generally considered the world's finest and most sympathetic accompanist of lieder singers, "elevating the role of the accompanist to new heights with his musicality, authority and quiet strength of playing".
Document 8: Elisabeth Söderström: Anna Elisabeth Söderström {'1': ", '2': ", '3': 'CBE', '4': "} (married name Olow; 7 May 192720 November 2009) was a Swedish soprano who performed both opera and song, and was known as a leading interpreter of the works of Janáček, Rachmaninov and Sibelius. She was particularly well known for her recordings of the lead soprano roles in the three Janáček operas "Jenůfa", "Káťa Kabanová", and "The Makropoulos Affair", all of which received "Gramophone" Awards. The "Gramophone" critic John Warrack described her portrayal of Káťa Kabanová as "establishing by an infinity of subtle touches and discreet, sensitive singing the picture of Káta as the richest and most human character in the drama."
Document 9: Dietrich Fischer-Dieskau: Dietrich Fischer-Dieskau (28 May 192518 May 2012) was a German lyric baritone and conductor of classical music, one of the most famous Lieder (art song) performers of the post-war period, best known as a singer of Franz Schubert's Lieder, particularly ""Winterreise"" of which his recordings with accompanist Gerald Moore and Jörg Demus are still critically acclaimed half a century after their release.
Document 10: Simone Schneider: Simone Schneider is a German operatic soprano. As a member of Staatstheater am Gärtnerplatz, she performed coloratura roles such as the Mozart's Queen of the Night. As a member of the Staatsoper Stuttgart from 2006, she has performed a wide range of leading roles including Donizetti's Maria Stuarda and the Feldmarschallin in "Der Rosenkavalier" by Richard Strauss. She performed as a guest in major opera houses in Germany and Europe.
Document 11: Glenn Gould: Glenn Herbert Gould ( ; 25 September 19324 October 1982) was a Canadian pianist who became one of the best-known and most celebrated classical pianists of the 20th century. He was particularly renowned as an interpreter of the keyboard music of Johann Sebastian Bach. His playing was distinguished by remarkable technical proficiency and capacity to articulate the polyphonic texture of Bach's music. He is widely considered one of the greatest pianists of the 20th century.
Document 12: Coenraad V. Bos: Coenraad Valentijn Bos (7 December 18755 August 1955) was a Dutch pianist, most notably as an accompanist to singers of lieder. His peers such as Gerald Moore considered him the doyen of accompanists in his day.
Document 13: Roger Vignoles: Roger Vignoles, born 12 July 1945, is a British pianist and accompanist. He regularly performs with the world's leading singers, including Kiri Te Kanawa, Thomas Allen, Anne Sofie von Otter, Thomas Hampson, Gitta-Maria Sjöberg, Sarah Walker, Sylvia McNair, Susan Graham, Christine Brewer, Felicity Lott, Stephan Genz, Monica Groop, Wolfgang Holzmair, Bernarda Fink, Christine Schäfer, Brigitte Fassbaender and Kathleen Battle. He also accompanies instrumentalists such as Joshua Bell, Heinrich Schiff, Nobuko Imai and Ralph Kirshbaum, and gives masterclasses around the world.
Document 14: Gerald Moore: Gerald Moore CBE (30 July 1899 – 13 March 1987) was an English classical pianist best known for his career as an accompanist for many famous musicians. Among those with whom he was closely associated were Dietrich Fischer-Dieskau, Elisabeth Schumann, Hans Hotter, Elisabeth Schwarzkopf, Victoria de los Ángeles and Pablo Casals.
Document 15: Lotte Lehmann: Charlotte "Lotte" Lehmann (February 27, 1888 – August 26, 1976) was a German soprano who was especially associated with German repertory. She gave memorable performances in the operas of Richard Strauss, Richard Wagner, Ludwig van Beethoven, Puccini, Mozart, and Massenet. The Marschallin in "Der Rosenkavalier", Sieglinde in "Die Walküre" and the title-role in "Fidelio" are considered her greatest roles. During her long career, Lehmann also made more than five hundred recordings. Her performances in the world of Lieder are considered among the best ever recorded.
ground_truth: Olga Maria Elisabeth Friederike Schwarzkopf