Lucki Eck$ (born May 30, 1996), better known mononymously as Lucki, is an American rapper and record producer from Chicago, Illinois.
 He came to public attention in 2013, after receiving recognition for his debut project, "Alternative Trap".
 Lucki has worked with prominent music figures since then, releasing songs with Chance the Rapper, FKA Twigs, and Danny Brown.
"Think About It" is a song by British record producer Naughty Boy, featuring vocals from American rapper Wiz Khalifa and English singer Ella Eyre.
 It was released on 17 November 2013 as the fourth single from Naughty Boy's debut album, "Hotel Cabana".
 The song entered the UK Singles Chart at number 80 and climbed to number 78 on the second week.
 It premiered on MistaJam's BBC Radio 1Xtra show on 14 August 2013.
 A remix by Wilkinson was given the title of Zane Lowe's "Hottest Record in the World".
 It is featured in the soundtrack to the 2014 film Vampire Academy.
 The music video was released on October 29, 2013.
Clark Wynford Datchler (born 27 March 1964 in Sutton, Surrey, England) is an English singer, songwriter, musician and record producer.
 He first rose to fame in 1987 as the lead singer, songwriter and multi-instrumentalist in the band Johnny Hates Jazz.
Timothy Zachery "Tim" Mosley (born March 10, 1972), known professionally as Timbaland, is an American record producer, rapper, singer, songwriter and DJ.
 Timbaland's first full credit production work was in 1996 on "Ginuwine...the Bachelor" for R&B singer Ginuwine.
 After further work on Aaliyah's 1996 album "One in a Million" and Missy Elliott's 1997 album "Supa Dupa Fly", Timbaland became a prominent producer for R&B and hip hop artists.
 As a rapper he initially released several albums with fellow rapper Magoo, followed by his debut solo album "" in 1998.
 In 2002, Timbaland produced the hit single "Cry Me a River" for Justin Timberlake, going on to produce most of Timberlake's subsequent LPs such as "FutureSex/LoveSounds" and "The 20/20 Experience" and their respective hit singles.
 A Timbaland-owned imprint label, Mosley Music Group, featured artists such as Nelly Furtado, whose Timbaland-produced album "Loose" (2006) was a commercial and critical success.
 In 2007, Timbaland released a solo album, "Shock Value", which was followed by "Shock Value II" in 2009.
Tahliah Debrett Barnett (born 16 January 1988), known professionally as FKA Twigs (stylised as FKA twigs), is an English singer, songwriter, record producer, director and dancer.
 Raised in Gloucestershire, she became a backup dancer after moving to south London when she was 17 years old.
 She entered the music industry with the release of her extended plays "EP1" (2012) and "EP2" (2013).
Bobby Ray Simmons Jr. (born November 15, 1988), known professionally as B.o.B, is an American rapper, singer, songwriter, and record producer from Decatur, Georgia.
 In 2006, B.o.B was discovered by Brian Richardson, who then introduced him to TJ Chapman, who subsequently brought him to American record producer Jim Jonsin.
 After hearing his music, Jonsin signed B.o.B to his Rebel Rock Entertainment imprint.
 Two years later, Jonsin and B.o.B signed a joint venture deal, with Atlantic Records and American rapper T.I.'s Grand Hustle Records.
Jacob Taio Cruz (born Adetayo Ayowale Onile-Ere; 23 April), is an English singer, songwriter, rapper and record producer.
 In 2008, he released his debut album "Departure", which he wrote, arranged and produced.
 The album achieved certified gold status in the United Kingdom and earned him a MOBO Music of Black Origin Awards nomination.
Archy Ivan Marshall (born 24 August 1994), also known by his stage name King Krule, is an English singer, rapper, songwriter, record producer, and musician.
 He began recording music in 2010 under the moniker Zoo Kid.
 The following year he adopted his present name.
 He has released several EPs, and his debut full-length album, "6 Feet Beneath the Moon", came out in 2013 to positive reviews.
 His music blends elements of punk jazz with hip hop, darkwave and trip hop.
The English singer and songwriter Gary Barlow has recorded songs for three solo studio albums, a joint album and has also collaborated with other artists on their respective singles.
 In 1996, Take That, a boy band consisted of five members, including Barlow, disbanded after 6 years recording music together.
 Three months after the release of their then-final single, the singer launched his solo debut song, "Forever Love"; it was written solely by Barlow and featured more mature sound than the work previously released by Take That.
 The single has been succeeded by Barlow's 1997 debut studio album, "Open Road", a primary pop and blue-eyed soul oriented record.
 It was mainly written and composed by Barlow himself, however, he listed some songwriters in the penning process.
 American entertainer Madonna and producer Shep Pettibone wrote "Love Won't Wait" for the album, although it was originally planned for a Madonna project which she later abandoned.
 Barlow worked with American songwriter Dianne Warren with whom he co-wrote the song "My Commitment" for the album.
 Howard Perdew and Andy Spooner wrote "So Help Me Girl", a single for which Barlow recorded a Spanish language version titled "Ayúdame" (English: "Help Me").
Harry James Byart (born 11 March 1994), better known by his former stage name Fugative, is an English singer, rapper, songwriter and record producer.
 He worked with Kirk Burrowes in April 2009 in Atlanta, Georgia the former manager of Mary J. Blige and co-founder of Bad Boy Records after Burrowes was contacted by Byart's mother Gloria who previously worked as a Publicist to Marvin Gaye.
 Fugative has toured with Basshunter and has been favourably received by BBC Radio One's Nick Grimshaw who proclaimed, "I want this kid's nuts!"
 on his "Switch" radio show.
 Fugative also released "The Departure" Mixtape in 2010.

Question:  An english singer, songwriter and record producer has worked with a prominent rapper from what city?
Answer: Chicago