LANGDON Michael(Wolverhampton, UK, 12.11.1920 - Hove, UK, 12.03.1991). Bass opera singer, he was principal bass at the Royal Opera House from 1951 until his retirement in 1977.Signature on a programme.PREY Hermann(Berlin 11.07.1929 - Munich 22.07.1998). Berlin Academy of Music. He loved America and made his debut with the Philadelphia Philharmonic in 1952. An internationally renowned baritone, he sang in major cities throughout the world.Programme signed, Vevey, 12.02.1971, along with another signature.ESPOSITO Andrée(Algiers, 07.02.1934 - ). She studied music at the Conservatoire d'Alger, where she won first prize for singing as well as the Prix Aletti, then the Prix Osiris at the Conservatoire de Paris. She was an immediate success and made her debut at the Paris Opera in 1959."La Veuve Joyeuse" Angers, 16.10.1976,signed by Esposito "Avec mon meilleur souvenir", along with signatures of other persons involved in the production.PORTA Marie-Christine( Ev. 02.04.1949) She has given an impressive number of different performances at the Paris Opera since 1972. Signed printed photograph applied to cardboard: "Pour Madelene, pour nous "Yoga", bien amicalement".BERGANZA Teresa(Madrid, 1935 - ). A light mezzo-soprano, she placed her art at the service of Mozart, Rossini and Spanish composers. Programme signed 24.03.1972.CABALLÉ MonserratMaria de Montserrat Viviana Concepcion i Folc (Barcelona, 13.04.1933 - Barcelona, 06.10.2018). She studied at the Liceu Conservatory and began her career in 1956 at the Basel Opera, where she sang "Mimi" in Puccini's "La Bohème". She joined the Barcelona Opera in 1962. She is considered one of the best sopranos in the world. She also broke with tradition by recording an album with Queen singer Freddie Mercury, a song from which was chosen as the anthem for the Barcelona Olympics in 1992.Programme signed, 03.04.1943.AGAY Karola(19.11.1936 - 29.02.2010 ). Companion of the guitarist Laszlo Szendrey-Karper. She was the best coloratura soprano at the Budapest Opera. She was a soloist with the Hungarian People's Army Vocal Ensemble.Programme signed of 15.07.1972 with guitarist Laszlo Szendrey-Karper.ALBONI Mariette(Citta di Castello, 18.03.1826 - Ville-d'Avray, 23.06.1894). A contralto, she made her debut in Bologna in 1842 and sang at the funeral of Rossini, whose most authentic disciple she had been.Autograph letter signed Paris, 13.03.1889 to AT :"... quant à l'opéra tant pis pour lui ! N'en parlons pas il y aurait réellement trop à dire !!!...".50 100 150TAMBERLICK Enrico(Rome, 16.03.1820 - Paris, 14.03.1889). He wanted to become a lawyer, but finally opted for an operatic career. He made his debut in Naples and became a well-known tenor. Fragment signed from Othello, 31.05.1861.50 100 150HEATER Claude(Ockland, Ca, 25.10.1927 - San Francisco, 28.05.2020). Born into a Mormont family, at the age of 17 he joined the US Marine Corps. At 19 he became a missionary and studied his baritone voice in Los Angeles and then New York. In 1952 he decided to sing opera and left for Italy. He went on to sing in all the great opera houses of Europe. In 1961 he ended his career as a baritone at the San Francisco Opera and returned to Rome to sing tenor for the rest of his career. He played the role of Jesus Christ in the film Ben Hur.Concert program page with signature, along with signatures of Babet Bewie (and a sketch), Willy Ferenz, Batyah Godfrey and an autograph musical quotation signed by Robert Licha. NILSSON ChristineSjöabol (S), 20.08.1843 - Växjö (S), 22.11.1921). Born into a poor family, she was noticed in 1857 and received a musical education. She was first heard in 1860 in Stockholm and Upsala. She was heard less frequently from 1872 after her marriage to Auguste Rouzaud. He died in 1882. In 1887, she married Count A. de Casa Miranda and practically retired from the stage.Autograph Visiting card Monte Carlo; Autograph letter signed Vevey, 12.09: "...Comme vous êtes bonne de m'envoyer ainsi votre pensée et celle du cher Maître…”.NEVADA Emma WIXOM known as(Nevada, 07.02.1859 - Liverpool, 20.06.1940). In 1876, she graduated from Mills College in Oakland, California. She studied singing in Berlin and Vienna. In 1880, she took the name Emma Nevada. She sang throughout Europe and was engaged by Verdi at La Scala in Milan. In 1907, she stopped giving concerts and taught singing in England.Autograph letter signed on Sunday, to Ambroise Thomas:"...Comment puis-je vous remercier pour le souvenir délicieux que vous avez eu la bonté d'envoyer à …”.BREWER Bruce(San Antonio, Texas, 16.10.1941 - ). He studied at the University of Texas at Austin, then in New York and London. He made his tenor debut in 1970 in Mozart's Don Juan. He was married to Joyce Castle, from whom he divorced a few years later.Signed printed photograph applied to cardboard in-16 to Madeleine.