Question: Who is the spouse of the performer of song Free (Sarah Brightman Song)?

Knowledge 1: Free (Sarah Brightman song)
"Free" is a song performed by English classical crossover soprano Sarah Brightman from her ninth studio album, "Harem (2003)".It was originally written in German by Matthias Meissner and Thomas Schwarz.The song was then re-written in English by Brightman in collaboration with Sophie B. Hawkins.The track was produced by Frank Peterson.It was released as the fourth and final single from "Harem" by Angel Records on 10 June 2003.The song contains prominent classical crossover and Middle Eastern pop musical characters.It is influenced by feelings of desperation and is lyrically about somebody who has lost somebody and is looking onto their relationship with somebody else."Free" reached the #3 position on the US Hot Dance Music/Club Play charts.Violinist Nigel Kennedy is featured in the last four stanzas of the song. [SEP] Knowledge 2: Sarah Brightman
Sarah Brightman (born 14 August 1960) is an English classical crossover soprano, singer, songwriter, actress, dancer and musician.Brightman began her career as a member of the dance troupe Hot Gossip and released several disco singles as a solo performer.In 1981, she made her West End musical theatre debut in "Cats" and met composer Andrew Lloyd Webber, whom she later married.She went on to star in several West End and Broadway musicals, including "The Phantom of the Opera", where she originated the role of Christine Daaé.Her original London cast album of "Phantom" was released in CD format in 1987 and sold 40 million copies worldwide, making it the biggest-selling cast album ever.After retiring from the stage and divorcing Lloyd Webber, Brightman resumed her music career with former Enigma producer Frank Peterson, this time as a classical crossover artist.She has been credited as the creator and remains among the most prominent performers of this genre, with worldwide sales of more than 35 million albums and two million DVDs, establishing herself as the world's best-selling soprano.Brightman's 1996 duet with the Italian tenor Andrea Bocelli, "Time to Say Goodbye", topped the charts all over Europe and became the highest and fastest-selling single of all-time in Germany, where it stayed at the top of the charts for 14 consecutive weeks and sold over three million copies.It subsequently became an international success, selling 12 million copies worldwide, making it one of the best-selling singles of all-time.She has collected over 200 gold and platinum record awards in 38 different countries.In 2010, she was named by "Billboard" the fifth most influential and best-selling classical artist of the 2000s decade in the US and according to Nielsen SoundScan, she has sold 6.5 million albums in the country.Brightman is the first artist to have been invited twice to perform the theme song at the Olympic Games, first at the 1992 Barcelona Olympic Games where she sang "Amigos Para Siempre" with the Spanish tenor José Carreras with an estimated global audience of a billion people, and 16 years later in 2008 in Beijing, this time with Chinese singer Liu Huan, performing the song "You and Me" to an estimated four billion people worldwide.In 2012, Brightman was appointed as the UNESCO Artist for Peace for the period 2012–2014, for her "commitment to humanitarian and charitable causes, her contribution, throughout her artistic career, to the promotion of cultural dialogue and the exchanges among cultures, and her dedication to the ideals and aims of the Organization".Since 2010, Brightman has been Panasonic's global brand ambassador.In 2014, she began training for a journey to the International Space Station, later postponed until further notice, citing personal reasons.Brightman was awarded the decoration 'Cavaliere' in the Order of Merit of the Italian Republic on 2 June 2016 and a Honorary Doctorate from the University of Hertfordshire in 2018, in recognition of her outstanding contributions to music and theater.
Knowledge 1: Sophia Magdalena of Denmark
Sophia Magdalena of Denmark (3 July 1746 – 21 August 1813) was Queen of Sweden as the spouse of King Gustav III. [SEP] Knowledge 2: Gertrude of Bavaria
Gertrude of Saxony and Bavaria( 1152/55–1197) was Duchess of Swabia as the spouse of Duke Frederick IV, and Queen of Denmark as the spouse of King Canute VI.
Knowledge 1: Sophia Magdalena of Denmark
Sophia Magdalena of Denmark (3 July 1746 – 21 August 1813) was Queen of Sweden as the spouse of King Gustav III. [SEP] Knowledge 2: Maria Teresa, Grand Duchess of Luxembourg
Maria Teresa, Grand Duchess of Luxembourg( born María Teresa Mestre y Batista; on 22 March 1956), is the spouse of Grand Duke Henri.

Answer: Andrew Lloyd Webber