Question: Who is the spouse of the performer of song Lethal Industry?

Knowledge 1: Lethal Industry
"Lethal Industry" is a single which appeared in DJ Tiësto's first album.Before the album was created he released several singles to see what the popularity and the reaction of his audience would be towards these tracks.He first released Lethal Industry in 1999, only three copies were made, the track was cut by 777 Mastering and released in an Acetate 12" vinyl by VC Recordings in UK.It was officially first released in 2001 and with his next song Suburban Train as a B-side only available in Netherlands.In 2002 a Lethal Live Mix was released, it was a combination of the "Fred Numf vs. Etienne Overdijk" remix, "Mauro Picotto" remix, and "Svenson & Gielen" remix.The "Radio Edit" of Lethal Industry was edited by Cor Fijneman, he is not credited the edit since it is the same as the original track in its radio version, the "Live Edit" was recorded by Dutch Dimension at Tiësto Solo Amsterdam on 2 February 2002.Tiësto has played Lethal Industry along Mason in live performances of the "Tiësto in Concert 2", he became the first DJ to include a violin, and a classical instrument along a turntable.It was also included in his third studio album, "Parade of the Athletes" which was created due to Tiësto's success in the 2004 Summer Olympic Games.Tiësto mixed Lethal Industry with Marco V's tracks Godd, and created Lethal Godd, which has become very popular due to the lyrics it contains.In 2006, DJ Richard Durand remixed two songs from Tiësto, Lethal Industry and the trance anthem Flight 643, Tiësto included Richard Durand's remix of Flight 643 in his .The music video is taken from "Tiësto in Concert 2", the version includes Mason and became a great success, bringing the song higher in the chart positions.The tune used in Lethal Industry was created by Alec Empire in 1992:Alec Empire – SuEcide, Alec Empire – Sueside (Junkie Remix 1995). [SEP] Knowledge 2: Tiësto
Tijs Michiel Verwest (born 17 January 1969), better known by his stage name Tiësto , is a Dutch DJ and record producer from Breda.He was named "the Greatest DJ of All Time" by "Mix" magazine in a poll voted by the fans.In 2013, he was voted by "DJ Mag" readers as the "best DJ of the last 20 years".He is also regarded as the "Godfather of EDM" by many sources.In 1997, he founded the label Black Hole Recordings with Arny Bink, where he released the "Magik" and "In Search of Sunrise" CD series.Tiësto met producer Dennis Waakop Reijers in 1998; the two have worked together extensively since then.From 1998 to 2000, Tiësto collaborated with Ferry Corsten under the name Gouryella.His 2000 remix of Delerium's "Silence" featuring Sarah McLachlan exposed him to more mainstream audiences.In 2001, he released his first solo album, "In My Memory", which gave him several major hits that launched his career.He was voted World No. 1 DJ by "DJ Magazine" in its annual Top 100 DJs readership poll consecutively for three years from 2002 to 2004.Just after releasing his second studio album "Just Be" he performed live at the 2004 Summer Olympics opening ceremony in Athens, the first DJ to play live on stage at an Olympics.In April 2007 Tiësto launched his radio show "Tiësto's Club Life" on Radio 538 in the Netherlands and released his third studio album "Elements of Life".The album reached number one on the Belgian album chart as well on "Billboard" Top Electronic Albums in the U.S. and received a nomination for a Grammy Award in 2008.Tiësto released his fourth studio album "Kaleidoscope" in October 2009, followed by "A Town Called Paradise" in June 2014.He won the Grammy Award for Best Remixed Recording, Non-Classical for his remixed version of John Legend's hit "All of Me" at the 57th Annual Grammy Awards.In September 2019, Tiësto married model Annika Backes in the middle of the Utah Desert.
Knowledge 1: Lethal Industry
"Lethal Industry" is a single which appeared in DJ Tiësto's first album.Before the album was created he released several singles to see what the popularity and the reaction of his audience would be towards these tracks.He first released Lethal Industry in 1999, only three copies were made, the track was cut by 777 Mastering and released in an Acetate 12" vinyl by VC Recordings in UK.It was officially first released in 2001 and with his next song Suburban Train as a B-side only available in Netherlands.In 2002 a Lethal Live Mix was released, it was a combination of the "Fred Numf vs. Etienne Overdijk" remix, "Mauro Picotto" remix, and "Svenson & Gielen" remix.The "Radio Edit" of Lethal Industry was edited by Cor Fijneman, he is not credited the edit since it is the same as the original track in its radio version, the "Live Edit" was recorded by Dutch Dimension at Tiësto Solo Amsterdam on 2 February 2002.Tiësto has played Lethal Industry along Mason in live performances of the "Tiësto in Concert 2", he became the first DJ to include a violin, and a classical instrument along a turntable.It was also included in his third studio album, "Parade of the Athletes" which was created due to Tiësto's success in the 2004 Summer Olympic Games.Tiësto mixed Lethal Industry with Marco V's tracks Godd, and created Lethal Godd, which has become very popular due to the lyrics it contains.In 2006, DJ Richard Durand remixed two songs from Tiësto, Lethal Industry and the trance anthem Flight 643, Tiësto included Richard Durand's remix of Flight 643 in his .The music video is taken from "Tiësto in Concert 2", the version includes Mason and became a great success, bringing the song higher in the chart positions.The tune used in Lethal Industry was created by Alec Empire in 1992:Alec Empire – SuEcide, Alec Empire – Sueside (Junkie Remix 1995). [SEP] Knowledge 2: Adib Kheir
Adib Kheir was a leading Syrian nationalist of the 1920s.He was the owner of the Librairie Universelle in Damascus.His granddaughter is the spouse of Manaf Tlass.
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.

Answer: Annika Backes