The WDR Symphony Orchestra Cologne (WDR Sinfonieorchester Köln) is a German orchestra based in Cologne.
 The orchestra was founded in 1947 by Allied occupation authorities after World War II, as the orchestra of "Nordwestdeutscher Rundfunk" (NWDR; Northwest German Radio).
 The orchestra was named "Kölner Rundfunk-Sinfonie-Orchester" (Cologne Radio Symphony Orchestra) and from the 1990s "WDR Symphony Orchestra".
 The orchestra is particularly known for its performances of 20th-century and contemporary music.
 It has commissioned and premiered works from such composers as Luciano Berio, Hans Werner Henze, Mauricio Kagel, Krzysztof Penderecki, Karlheinz Stockhausen and Bernd Alois Zimmermann.
The Yorkshire Symphony Orchestra was an orchestra based in Leeds.
 It was active from its establishment in 1947 until its demise in 1955, and was based in the Leeds Town Hall.
 Maurice Miles was the orchestra's Principal Conductor, followed by Nicolai Malko.
 One of the orchestra's founders was Richard Noel Middleton, the great grandfather of Catherine, Duchess of Cambridge.
Adam Schoenberg (born November 15, 1980) is one of the most performed living American composers.
 A member of the Atlanta School of Composers, his works have been performed by the Amarillo Symphony, Atlanta Symphony Orchestra, Buffalo Philharmonic Orchestra, Charleston Symphony Orchestra, Charlotte Symphony Orchestra, The Cleveland Orchestra, Dallas Symphony Orchestra, The Florida Orchestra, Fort Worth Symphony Orchestra, Grand Rapids Symphony, Jacksonville Symphony, Kansas City Symphony, Knoxville Symphony Orchestra, Lake Forest Symphony Orchestra, Lexington Philharmonic, Los Angeles Philharmonic, National Symphony Orchestra, New West Symphony, New World Symphony (orchestra), New York Philharmonic, Orlando Philharmonic Orchestra, Pacific Symphony, Phoenix Symphony, Rochester Philharmonic Orchestra, San Diego Symphony, South Carolina Philharmonic, Tallahassee Symphony Orchestra, Waterloo-Cedar Falls Symphony, among other ensembles.
 Schoenberg was the 2010-2012 guest composer for the Aspen Music Festival, the 2012-2013 composer-in-residence for the Kansas City Symphony, the 2013-2014 composer-in-residence for the Lexington Philharmonic, and the 2015-2017 composer-in-residence for the Fort Worth Symphony.
 Schoenberg's honors include a 2009 and 2010 MacDowell Colony fellowship, the 2007 Morton Gould Young Composer Award from ASCAP, and the 2006 Charles Ives Prize from the American Academy of Arts & Letters.
Gerald Drucker (5 August 1925 – 19 March 2010) was a British classical double bass player, photographer and double bass teacher.
 Principal Double Bass at the Yorkshire Symphony Orchestra, BBC Symphony Orchestra, New Philharmonia Orchestra, and finally the Philharmonia Orchestra of London.
 He formed the London Double Bass Ensemble in the 1980s.
Jimmy López (born 21 October 1978) is a classical music composer from Lima, Peru and is considered "one of the most interesting young composers anywhere today" He has won several international awards and pieces composed by him have been performed by leading orchestras around the world such as the Chicago Symphony Orchestra, Philadelphia Orchestra, Boston Symphony Orchestra, Fort Worth Symphony Orchestra, National Symphony Orchestra of Peru, Helsinki Philharmonic Orchestra, MDR Leipzig Radio Symphony Orchestra, Sydney Symphony Orchestra and Orchestre Philharmonique de Radio France.
 His works have been performed in prestigious venues such as Carnegie Hall, Sydney Opera House, Gewandhaus Leipzig, and during the 2010 Youth Olympic games in Singapore.
 His music has been featured in numerous festivals, including Tanglewood Music Festival, Aspen Music Festival, Grant Park Music Festival, Darmstadt International Course for New Music, and Donaueschingen Music Festival.
Leeds Symphony Orchestra is one of the oldest established orchestras in the United Kingdom dating back to 1890.
 It is a non-professional orchestra based in Leeds, Yorkshire, England.
 Martin Binks has been the conductor since September 1970.
 There are 90 players in the orchestra, including Kathy Hampson of Leeds Progressive Rock band Manning.
 Ten concerts a year are given at venues including Leeds, Knaresborough, Wetherby, Wakefield, Morley, Horsforth, and Ilkley.
The Stuttgart Radio Symphony Orchestra (German: "Radio-Sinfonieorchester Stuttgart des SWR") was a German radio orchestra based in Stuttgart in Germany.
 The ensemble was founded in 1945 by American occupation authorities as the orchestra for Radio Stuttgart, under the name "Sinfonieorchester von Radio Stuttgart" (Symphony Orchestra of Radio Stuttgart).
 The radio network later became the Süddeutscher Rundfunk (SDR, South German Radio), and the orchestra changed its name in 1949 to the "Sinfonieorchester des Süddeutschen Rundfunks" (South German Radio Symphony Orchestra).
 In 1959, the orchestra took on the name "Südfunk-Sinfonieorchester", and acquired its current name in 1975.
The RCA Victor Symphony Orchestra, sometimes also known as the RCA Victor Salon Orchestra, the RCA Victor Orchestra and simply, the RCA Orchestra was an American studio orchestra founded in 1940 by the RCA Victor record label for the purposes of making recordings.
 Originally established as a salon orchestra based at RCA Victor headquarters in Camden, New Jersey, the group was created by Victor staff conductor Nathaniel Shilkret.
 The name later was used for free-lance orchestras, mainly in New York City, assembled as needed to make recordings for RCA Victor through the early 1960s.
 Its players included those from the New York Philharmonic, the Metropolitan Opera, the NBC Symphony Orchestra, and other major ensembles.
 The RCA Victor Orchestra recorded with notable conductors including Leopold Stokowski, Fritz Reiner and Leonard Bernstein.
 A number of their recordings received Grammy Awards.
 In the early 1960s the orchestra was disbanded when RCA moved much of its recording activity to Europe and established the RCA Italiana Orchestra at its studios in Rome.
Members of the Middleton family have been related to the British Royal Family by marriage since the wedding of Catherine "Kate" Middleton and Prince William in April 2011 when she became HRH The Duchess of Cambridge.
Wrexham Symphony Orchestra was founded in 1969 by the late Bryn Williams, then senior lecturer of Music at Cartrefle Teacher Training College in Wrexham.
 He gathered together a small number of local string players, led by Keith Dawber, to put on a concert, and they were billed as the “Clywedog Ensemble”.
 The Wrexham and District Orchestral Society was formed after the initial concert when they decided to expand the group to include woodwind and brass players.
 The performing arm of this society came to be known as Wrexham Orchestra.
 It was not until 1992 that the orchestra obtained its present name of Wrexham Symphony Orchestra, or WSO for short.
 WSO has grown to a present-day membership numbering over sixty players and regularly attracts professional guest conductors and high-profile soloists.
 This increase in membership has allowed the orchestra to undertake increasingly ambitious programmes of music.
 Since 1997, the orchestra has been resident at the NEWI William Aston Hall in Wrexham.
 1997 also saw the orchestra make a successful bid for funding to the Lottery unit of the Arts Council of Wales.
 The percussion equipment bought with this grant is now housed at the NEWI William Aston Hall.
 The orchestra was given charitable status in the early 1990s, which has enabled it to raise money for many other charities.
 Many local charities have benefited, and over the years many thousands of pounds have been donated.
 In 1999 the orchestra was presented with a community award for its charity work by British Steel.
 In 2004 the WSO was inaugurated Orchestra in Residence at the William Aston Hall, NEWI (now Glyndŵr University).
 The year also saw the orchestra presented with a workshop alongside players from the BBC National Orchestra of Wales, and to receive a grant towards music hire and expenditure from the Arts Council of Wales.
 In December 2004, the WSO appeared on CD performing Leroy Anderson’s “Sleigh Ride”, part of a charity disc for Children in Need, in conjunction with many local schools and the recording course at the North East Wales Institute.
 2006 saw the orchestra receive a second grant through the Welsh Amateur Music Federation (WAMF) which has enabled the orchestra to purchase a greatly needed “Clavinova” keyboard to enhance the orchestra’s repertoire and functionality.
 2007 saw the formation of the Wrexham Symphony Chorus, a sister organisation inaugurated to widen the repertoire of the orchestra and to give local singers more opportunity to perform with full Symphony Orchestra.

Question: The Yorkshire Symphony Orchestra was an orchestra based in Leeds, which one of the orchestra's founders was Richard Noel Middleton, the great grandfather of ?
Answer: Catherine, Duchess of Cambridge