The Primitives are an English indie pop band from Coventry, best known for their 1988 international hit single "Crash".
 Formed in 1984, disbanded in 1992 and reformed in 2009, the band's two constant members throughout their recording career have been vocalist Tracy Tracy and guitarist Paul Court.
 Drummer Tig Williams has been a constant member since 1987 and the reformed line-up is completed by bassist Raph Moore.
 Often described as an indie pop or indie rock band, The Primitives' musical style can also be seen as straddling power pop, new wave and pop punk.
James Thomas Smith (born 28 October 1988), better known by his stage name Jamie xx, is an English musician, DJ, record producer and remixer.
 He is known for both his solo work and as a member of the English indie pop band The xx.
 He has been recognised with a 2016 nomination for the Grammy Award for Best Dance/Electronic Album on his debut album "In Colour".
The Mexican Spitfires were an Australian indie rock–indie pop band formed in 1986.
 The original lineup consisted of Price Conlan on drums, Stephen McCowage on lead guitar, Tim O'Reilly on bass and vocals, Michael Quinlan on rhythm guitar and vocals.
 O'Reilly, Quinlan and McCowage had all played in a psychedelic 1960s-styled indie pop band, Prince Vlad & the Gargoyle Impalers.
 They recorded two extended plays, "Lupe Velez" (1988) and "Elephant" (1990); however, they had disbanded late in 1989.
"Islands" is a song recorded by English indie pop band The xx for their self-titled debut studio album.
 Written by band-members Jamie Smith, Oliver Sim, Romy Madley Croft and then-member Baria Qureshi, "Islands" is a dark and simple indie pop track.
 It also contains influences from house music and features instrumentation from guitars and synthesizers.
 Croft and Sim, who provided vocals in the track, sing about themes related to loyalty and love.
 "Islands" was released on 26 October 2009 as the third single from the album by Young Turks in 7-inch single and digital download formats.
 In March 2010, the song was re-released as a 12-inch single.
The xx are an English indie pop band formed in 2005 in Wandsworth, London, and currently consists of Oliver Sim (bass, vocals), Romy Madley Croft (guitar, vocals) and Jamie xx (beats, MPC, record production).
 They are best known for their distinct and unique minimalistic sound that blends the likes of indie pop, indie electronic, dream pop and electronic rock and the dual vocalist setup of both Croft and Sim.
xx is the 2009 debut album by English indie pop band the xx.
 After they signed a contract with XL Recordings, the band recorded the album from December 2008 to February 2009 at the label's in-house studio in London.
 Audio engineer Rodaidh McDonald worked with the xx during the recording sessions and strived to reproduce the intimate, unembellished quality of their demos.
 The band's Jamie xx produced "xx" on his laptop and created electronic beats for the songs, which he then mixed in a detailed process with McDonald.
In Colour is the debut studio album by English producer Jamie xx, released on 29 May 2015 by Young Turks.
 The album was composed during a five-year period while a member of the indie pop band The xx, starting with his production on "xx" in 2009.
 After starting his solo career with the remix album "We're New Here" (2011) and singles like "All Under One Roof Raving" (2014), he was intent on making the album something of a departure from his previous work and genre.
 The album features guest vocals from fellow The xx members Romy and Oliver Sim, as well as from Young Thug and Popcaan.
 The album produced five singles: "Girl" and "Sleep Sound" as a double-single on 5 May 2014, "Loud Places" on 27 March 2015, "Gosh" on 4 May and "I Know There's Gonna Be (Good Times)" on 22 May.
Teleman is an English indie pop band formed in London in 2012.
 The group consists of Thomas Sanders (vocals, guitar), Jonny Sanders (synths), Pete Cattermoul (bass) and Hiro Amamiya (drums).
 Cattermoul and the Sanders brothers were previously members of the indie pop band Pete and the Pirates.
 Thomas Sanders has also recorded music under his solo name, Tap Tap.
The Raw Herbs were an English indie pop band signed to Medium Cool Records, who had a number 19 hit on the UK Indie Chart in 1987 with "Don't Bury Me Yet".
 The band comprised Derek Parker (vocals, guitar), Kevin Bache (guitar), Steven Archibald (bass), and Brian Alexis (drums).
 The band recorded a session for Janice Long's BBC Radio 1 show in 1987.
Hatcham Social are an English indie pop band who first met and formed in New Cross, London in 2006 and who have since then released a string of singles on indie labels, followed by three studio albums.
 With the debut album they made headway in the mainstream media, with The Guardian describing them as 'irrestistible' and Tim Burgess (The Charlatans) calling them 'a wonderful pop group with the world's coolest drummer'.

Question: which English indie pop band has its member as part of the composer of  In Colour
Answer: xx