Question: What Polish composer grew up in Warsaw and had a biographer that was a british musicologist?

Context articles: Frédéric Chopin
David Nicholls (musicologist)
Maria Dziewulska
Adam Sztaba
Geoffrey Chew (musicologist)
Adam Jarzębski
Arthur Hedley
Krzysztof Aleksander Janczak
Wilhelm Troszel
Marian Sawa

Frédéric François Chopin ( ; ] ; born Fryderyk Franciszek Chopin, 1 March 181017 October 1849) was a Polish composer and virtuoso pianist of the Romantic era who wrote primarily for the solo piano.
 He gained and has maintained renown worldwide as a leading musician of his era, whose "poetic genius was based on a professional technique that was without equal in his generation."
 Chopin was born in what was then the Duchy of Warsaw and grew up in Warsaw, which in 1815 became part of Congress Poland.
 A child prodigy, he completed his musical education and composed his earlier works in Warsaw before leaving Poland at the age of 20, less than a month before the outbreak of the November 1830 Uprising.
David Nicholls (musicologist) (born in 1955, Birmingham, United Kingdom) is a British musicologist and composer.
 From 2000 through 2013 he was Professor of Music at the University of Southampton; subsequently he took early retirement and was awarded the title of Emeritus Professor of Music.
 From 1987 to 2000 he was Professor of Music and sometime Research Dean of the Faculty of Humanities at Keele University.
 Between 1984 until 1987 Nicholls was based at Selwyn College, Cambridge as a Keasbey Fellow in American Studies.
Maria Amelia Dziewulska (1 June 190918 April 2006) was a Polish composer, music theoretician and music educator.
 She was born in Warsaw and studied music theory at the State Conservatoire in Warsaw from 1928 to 1933 with Kazimierz Sikorski.
 She studied special effects for radio, film and recording in London and worked as a music arrangeer for the BBC and Decca from 1936 to 1937.
 She then took a position as professor of Music Theory at the Academy of Music in Warsaw, later becoming dean.
 She died in Warsaw in 2006.
Adam Sztaba (born 15 February 1975) is a Polish composer, music producer, conductor, arranger and pianist.
 He graduated in composition from Fryderyk Chopin Music Academy (now University of Music).
 He collaborated with many Polish and international stars such as: Caro Emerald, Quincy Jones, Sting, Chris Botti, Michael Bolton, José Carreras, Kenny G, Dolores O'Riordan, Ewa Malas-Godlewska, Jose Cura, Lemar, NDR Bigband, Ive Mendes, Lutricia McNeal, Dita von Teese, Helena Vondráčková, Karel Gott, Drupi, Edyta Gorniak, Maryla Rodowicz, Kayah, Ania Dabrowska, Sinfonia Varsovia, Polish Radio Symphony Orchestra.
 He made his debut at age 18 music for the musical "Mirage?"
.
 In 2003, together with Tomasz Filipczak, composed the music for the first Polish show dance "Opentaniec".
 In 2005 he founded the Adam Sztaba Orchestra.
 He was the musical director, arranger and conductor of many well-known television programs, including "Idol" (Polish edition), SOPOT FESTIVAL 2005 and 2006, "Dancing With the Stars" (Polish edition of "Strictly Come Dancing").
 In 2008 he was director of the Academy of the television program "Star Academy" (Polish edition).
 Recently he composed and recorded music for the film "From Full To Full".
 In September 2010 he was music director of the inauguration of the European Special Olympic Games 2010 in Warsaw.
 In December 2010 he performed with Sting and conducting the Polish Radio Symphony Orchestra in a concert to celebrate the 85th anniversary of Polish Radio.
 In July 2011 he was a music director of the concert on the occasion of the beginning of Poland's EU Presidency and performed with Chris Botti, Dolores O'Riordan, Michael Bolton and Kenny G.
 He was a juror in the Polish edition of the TV show "Must Be The Music".
 In 2016 he was musical director and conductor of the World Youth Day 2016 in Krakow, the musical highlight of which was the concert titled "Credo in Misericordiam Dei" with almost 2 million pilgrims attending.
Geoffrey Chew ( ) is a British musicologist.
 He was born and grew up in East London, South Africa, but has lived in Britain most of his life.
 After being educated in South Africa as a child, he studied music in England at the Royal College of Music, University of Cambridge and subsequently studied for his doctorate at the University of Manchester where he was supervised by Hans Redlich.
 He has since lectured in music at the University of Aberdeen, Royal Holloway, University of London (where he continues to lecture as Emeritus Professor) and more recently the Masaryk University, in Brno, Czech Republic.
Adam Jarzębski (c. 1590 in Warka – c. 1648 in Warsaw) was an early Baroque Polish composer, violinist, poet, and writer.
 The first documented mention of Jarzębski was in 1612, when he became a member of the chapel of John Sigismund, Elector of Brandenburg in Berlin.
 After he had stayed in Italy for a year (1615–16), he became a member of the royal musical establishment, first at the court of Sigismund III Vasa and then of Władysław IV.
 He was held in great esteem by the royal court and was very popular among the members of the patriciate of Warsaw.
 In 1635 he managed the construction of the royal palace at Ujazdów.
 In 1643 he published a literary work "Gościniec, albo krótkie opisanie Warszawy" ("The Main Road, or a Short Description of Warsaw") describing the customs and the musical life of the town.
 He died in Warsaw in 1649.
 He was an outstanding figure in the history of the Polish culture of the 17th century.
Arthur Hedley (12 November 19058 November 1969) was a British musicologist, scholar and biographer of Polish-French composer Frédéric Chopin.
Krzysztof Aleksander Janczak (born 1 May 1983 in Warsaw, Poland) is a polish composer of film, classical and TV music, sound designer and musicologist.
Wilhelm Troszel (26 August 1823 - 2 March 1887) was a Polish composer and operatic bass.
 Born in Warsaw, he was the son of composer and piano maker Wilhelm Troschel.
 He made his stage debut at the Grand Theatre, Warsaw on 17 April 1843.
 At that theatre he notably created the role of Zbigniew in the world premiere of Stanisław Moniuszko's "The Haunted Manor" at the Grand Theatre, Warsaw in 1865.
Marian Sawa (January 12, 1937, Krasnystaw – April 27, 2005, Warsaw) was a Polish composer, organist, improviser, musicologist, and pedagogue.