Question: Who performed at Wigmore Hall and is regarded as one of the best lyric baritones of the 20th Century?
Context: The Concerto for Horn and Strings is a concerto for horn and string orchestra in three movements by the English composer Gordon Jacob.  The work was composed in 1951 for soloist Dennis Brain and premiered on 8 May 1951, with Jacob conducting the Riddick String Orchestra in Wigmore Hall, London.  The piece has been regarded as one of the most popular horn concertos of the 20th century. Willi Domgraf-Fassbaender (19 February 1897, Aachen - 13 February 1978, Nuremberg) was a German operatic baritone, particularly associated with Mozart and Verdi roles.  He is considered to have been one of the best lyric baritones of the inter-war period. James Andrew Olds (born 20 February 1986) is an Australian bass-baritone.  He has performed with Opera Australia, Diva Opera, Musica Viva, London Contemporary Opera and was a Young Artist with Pacific Opera.  Olds had over 100 performances with the Opera Australia chorus before relocating to London in 2012 to accept a scholarship for the Artist Masters Programme at the Guildhall School of Music and Drama.  In 2013, Olds performed at Wigmore Hall as a finalist in the Australian Music Foundation Award and performed the role of Betto in Puccini's "Gianni Schicchi" for St. Paul's Summertime Opera.  For the Guildhall School of Music and Drama's Opera Scenes showcases, Olds has performed the roles of Rocco ("Fidelio", Beethoven), Dr Dulcamara ("L'elisir d'amore", Donizetti) and Leporello ("Don Giovanni", Mozart).  Also in 2013, he traveled the United Kingdom and France with Diva Opera performing the role of Un Ufficiale in Rossini's "The Barber of Seville".  Olds was the winner of the 34th National Liederfest in Melbourne and recently worked with Elly Ameling, Helmut Deutsch and Julius Drake at the Franz-Schubert-Institut in Baden bei Wien, Austria.  In 2015, Olds performed the role of Count Almaviva in "The Marriage of Figaro" for Rockdale Opera Company.  In 2016, Olds will be performing the role of Officer in "The Barber of Seville" for Opera Australia. James Westman (born September 16, 1972) is a Canadian baritone known for his interpretation of the Verdi, Puccini and bel canto operatic repertoire, and particularly his signature role of Germont in "La traviata", which he has sung in over 150 performances, with opera companies such as San Francisco Opera, Houston Grand Opera, Pittsburgh Opera, Florida Grand Opera, Graz Opera, Santa Fe Opera, Chicago Lyric Opera, Opéra de Montréal, Los Angeles Opera, Grand Théâtre de Bordeaux, Canadian Opera Company, Boston Lyric Opera, Cologne Opera, Vancouver Opera, English National Opera, San Diego Opera, Dallas Opera, Utah Opera, and Opera Theatre of St. Louis.  On January 29, 2011 Westman created the lead role of Sandy Keith In the world premiere of Bramwell Tovey's The Inventor.  In 2017 he played Sir John A. MacDonald in Harry Somers's Louis Riel for the Canadian Opera Company's tribute to Canada's 150th celebrations.  As a recitalist, he has performed for the Marilyn Horne Foundation, Aldeburgh Connection, Aldeburgh Festival, Musikverein, Wigmore Hall, Queen Elizabeth Hall, Morgan Library & Museum, Koerner Hall, Carnegie Hall, Saito Kinen Festival in Japan, Stratford Summer Music, British Broadcasting Corporation, and the Canadian Broadcasting Corporation.  Westman first came to attention at the age of twelve when he was the first boy soprano to perform and record Mahler "4th Symphony" with Benjamin Zander and the Boston Philharmonic Orchestra in 1984.  Westman is regularly featured as the Anthem singer for the Toronto Maple Leafs and numerous other NHL franchises.  Four of Westman's recordings have been nominated for a Juno Award.  Two recordings nominated for a Grammy Award. Sir Thomas Boaz Allen {'1': ", '2': ", '3': ", '4': "} (born 10 September 1944) is an English operatic baritone.  He is widely admired in the opera world for his voice, the versatility of his repertoire, and his acting—leading many to regard him as one of the best lyric baritones of the late 20th century.  In October 2011, he was appointed Chancellor of Durham University, succeeding Bill Bryson. David Earl (born 1951) is a South African composer and pianist.  He was educated at Rondebosch Boys' High School.  He made his professional debut at the age of sixteen when he broadcast Bach, Chopin and Chabrier on the SABC.  In 1968, he performed Felix Mendelssohn's Piano Concerto No 1 with the Cape Town Symphony Orchestra.  In 1971, he moved to London where he studied at Trinity College of Music.  He studied under Jacob Kaletsky and Richard Arnell.  After a live début broadcast recital on BBC Radio 3 in 1974, his first recital at Wigmore Hall was reported as "stylish and powerful" by "The Times".  In 1975, he was selected as one the Young Musicians of the Year by the Greater London Arts Association.  He also won first prize in the 1976 SABC Piano Competition.  He was described by the Daily Telegraph as having "remarkable gifts of style, technical mastery and artistry".  He made his début as a composer in the 1977 when he premiered his own Piano Suite No 1 Mosaics at Wigmore Hall.  His concerto repertoire includes the Viennese classics, many from the nineteenth century, and amongst those from the 20th, the piano concertos of Arthur Bliss and John Joubert, both of which he studied with the composers.  Conductors he has appeared with include Hugo Rignold, Maurice Handford, Piero Gamba and Christian Badea. In October 2005, the Wigmore Hall, London, UK, became the first concert hall to launch its own record label: Wigmore Hall Live, building upon the venue's existing reputation as a recital hall established early in the 20th century.  One of the aims was to bring the musical programme to a wider audience.  In the 2011 Gramophone Awards, Wigmore Hall Live won the special award: Label of the Year. Vanya Milanova was born on January the 12th 1954.  She is an internationally renowned solo violinist and recording artist.  She is noted for being a female breakthrough artist in a male dominated field.  Her beauty of tone, technical ability and having an unusually large repertoire have been much commentated on in press reviews.  She has made a lasting impact on violin performing through being the very first woman to record the entire 24 Paganini caprices in a primarily male field for the Simax Label, Oslo, 1985.  She performed works which were often only attributed to male soloists.  Bulgarian born, Vanya Milanova was a child prodigy, having performed her first paid concert at the age of three.  She studied at the Music School in Sofia and the State Music Academy in Sofia in the class of Peter Arnaudov and later at the Guildhall School of Music in London where she studied with pedagogue Yfrah Neaman OBE.  Before turning 20 years of age she had already won prizes at many of the major competitions: Tchaikovsky, Queen Elizabeth and Paganini.  She has played with some of the best orchestras in England, France, Italy, Turkey, Israel, Portugal, Sweden, Norway, Denmark, South America and South Africa.  She has made frequent recordings with the BBC – London and Manchester, Norwegian Label Simax and the Italian Label Real Sound.  and has played at the Royal Festival Hall, Wigmore Hall, the Royal Albert Hall and the Royal Opera House for the Edward Boyle Memorial Concert 1983 attended by Her Royal Majesty the Queen in aid of the Edward Boyle Memorial Trust, featuring Vanya Milanova, the Amadeus String Quartet, Murray Perahia, Kathryn Scott and Dame Janet Baker).  Vanya Milanova has been awarded 'Freedom of the City Award' in her native Bulgaria for her outstanding contribution to music and popularising classical music to a younger generation.  Alongside being a performing and recording artist, She was violin professor at Bilkent University, Turkey and at various other institutions where she disseminated her style to a new generation of young violinists. Professor Julian Philips MA (Cantab) FGS was born in Wales in 1969.  He was brought up in Warwickshire and studied Music at Emmanuel College, Cambridge.  Philips' works have been performed at many major music festivals including Tanglewood and at the Wigmore Hall by international artists such as Gerald Finley, Dawn Upshaw, Sir Thomas Allen, the Vertigo String Quartet, the Tanglewood Festival Orchestra and the BBC orchestras. The Wigmore Hall is a concert hall located at 36 Wigmore Street, London.  Originally called Bechstein Hall, it specialises in performances of chamber music and song.  With near-perfect acoustics, the hall quickly became celebrated across Europe and featured many of the great artistes of the 20th century.  Today, the hall promotes 400 concerts a year and broadcasts a weekly concert on BBC Radio 3.  The hall also promotes an extensive education programme throughout London and beyond.
Answer: Thomas Allen