English National Opera commissions and premieres and The London Coliseum are both of which origin?
British
English National Opera commissions and premieres
English National Opera (ENO) is an opera company based in London, resident at the London Coliseum in St. Martin's Lane.
 It is one of the two principal opera companies in London, along with the Royal Opera, Covent Garden.
 ENO's productions are sung in English.
 The company, formerly known as Sadler's Wells Opera, has long had a policy of commissioning new works, and has staged many world and British premieres.
London Coliseum
The London Coliseum (also known as the Coliseum Theatre) is a theatre in St. Martin's Lane, central London, built as one of London's largest and most luxurious "family" variety theatres. Opened on 24 December 1904 as the London Coliseum Theatre of Varieties, it was designed by the theatrical architect Frank Matcham for the impresario Oswald Stoll.
 Their ambition was to build the largest and finest music hall, described as the "people's palace of entertainment" of its age.
English National Ballet
English National Ballet is a classical ballet company founded by Dame Alicia Markova and Sir Anton Dolin and based at Markova House in South Kensington, London, England.
 Along with The Royal Ballet, Birmingham Royal Ballet and Scottish Ballet, it is one of the four major ballet companies in Great Britain.
 English National Ballet is one of the foremost touring companies in Europe, performing in theatres throughout the UK as well as conducting international tours and performing at special events.
 The Company employs approximately 67 dancers and a symphony orchestra, (English National Ballet Philharmonic) and there is also an associate school, English National Ballet School, which is independent from the ballet company.
 The Company regularly performs seasons at the London Coliseum and has been noted for specially staged performances at the Royal Albert Hall.
 In 2014 English National Ballet became an Associate Company of Sadler's Wells.
 The Patron of English National Ballet is HRH The Duke of York. National Opera Studio
The National Opera Studio in London, England was established in 1977 by the Arts Council as a link between the music colleges and the six main UK opera companies.
 It was resident at Morley College in Lambeth until 2003, when it gained use for the first time of its own dedicated premises in Chapel Yard, Wandsworth.
 Its director is the soprano Kathryn Harries, who succeeded Donald Maxwell at the start of 2009, and its Head of Music is Mark Shanahan.
 It is responsible for the training of approximately twelve singers each academic year, as well as three piano répétiteurs.
 Its funding comes in part from the six main UK opera companies – Royal Opera House, English National Opera, Welsh National Opera, Scottish Opera, Opera North and the Glyndebourne Festival Opera.
 Representatives from each company sit on the final audition panel for selection of each year's intake.
 The nine-month course usually includes residencies at three of the national opera companies, as well as opera scenes performances in London throughout the year. English National Opera
English National Opera (ENO) is an opera company based in London, resident at the London Coliseum in St. Martin's Lane.
 It is one of the two principal opera companies in London, along with The Royal Opera, Covent Garden.
 ENO's productions are sung in English. Liam Bonner
Liam Bonner (born March 18, 1981) is a professional opera singer (baritone) based in Houston, Texas.
 he has appeared with such opera companies as The Metropolitan Opera, Houston Grand Opera, Washington National Opera, Los Angeles Opera, Opera Philadelphia, Minnesota Opera and the English National Opera in London, UK as well as the Wexford Festival Opera in Wexford, Ireland.
 He won third place in the First International Pavel Lisitsian Baritone Competition in Moscow, Russia, John Birtwhistle
John Birtwhistle (born 1946) is an English poet whose libretto for David Blake’s opera "The Plumber’s Gift" (1989) was staged by English National Opera at the London Coliseum and broadcast on Radio 3. Nigel Levings
Nigel Levings is an Australian stage lighting designer.
 He has designed lights for over 400 productions.
 He works extensively on operas, and has designed a large portion of Opera Australia's repertoire.
 Some of his most significant works include operas such as "The Demon" at the Bregenz Festival and for Zurich Opera; "Billy Budd" for the Welsh National Opera, Opera Australia, Canadian Opera Company, and for the English National Opera; "Nabucco" for Opera Australia; "Wozzeck" for Opera Australia; "L'Orfeo" for Innsbrucker Festwochen der Alten Musik and the Berlin State Opera; "A Midsummer Night's Dream" for the 1994 Edinburgh Festival; "La Belle Vivette" for the English National Opera; "Simon Boccanegra" for the Royal Opera House, Washington National Opera, and Dallas Opera; "Falstaff" for Théâtre du Châtelet; "Idomeneo", "Turandot", and "The Barber of Seville" for the Houston Grand Opera; and "Queen of Spades" for the Dallas Opera. Doctor Ox's Experiment (opera)
Doctor Ox's Experiment is an opera in two acts by Gavin Bryars.
 It has an English-language libretto by Blake Morrison after the novella of the same name by Jules Verne.
 It was first performed on 15 June 1998 at the London Coliseum by English National Opera (ENO) who co-commissioned the opera with BBC Television. Anna Karenina (Hamilton)
Anna Karenina is an opera in three acts by Scottish composer Iain Hamilton.
 The libretto, based on Leo Tolstoy's novel, "Anna Karenina" was written by the composer.
 "Anna Karenina" was premiered on May 7, 1981 at the London Coliseum by the English National Opera in a performance conducted by Howard Williams with Lois McDonall in the title role.
 The director was Colin Graham and the designers were Ralph Koltai and Annena Stubbs.
 Its running time is approximately two and a quarter hours.