Question: What trap beat artist co-wrote and produced Pour It Up?

Context articles: Beggin &amp; Pleadin
Pour It Up
Slayed
Everybody Needs a 303
Maurice Engelen discography
Mike Will Made It
Praga Khan discography
High by the Beach
Sunset (Bird of Prey)
Art Deco (song)

"Beggin & Pleadin" is song by American recording artist Brandy.
 It was written by Ronald Colson, Warren Felder, Kirby Lauryen, Steve Mostyn, Andrew Wansel, and Brandy, while production was helmed by Pop & Oak, Mostyn, and Colson.
 "Beggin & Pleadin'" is influenced by 1950s blues, particularly the music of Ray Charles.
 While the song is an R&B and soul song, it is unconventionally built on a modern trap beat, and samples John Lee Hooker's song "Boom Boom".
 Autobiographical in nature, the lyrics are a point of view account of a female protagonist, who sings cathartically about her mercurial temperament, following an inflammatory argument with her fiance.
"Pour It Up" is a song by Barbadian recording artist Rihanna from her seventh studio album, "Unapologetic" (2012).
 It was serviced to urban radio stations in the United States on January 8, 2013, as the second US single, and third overall single from the album.
 It was later also sent to contemporary hit radio radios in the country.
 "Pour It Up" was co-written by Rock City and co-written and produced by Michael Williams and co-produced by J-Bo.
 It is a club and trap song with a minimal hip hop beat.
 Rihanna brags about her wealth, which serves as both a strip club anthem and a declaration of independence.
"Slayed" is a single by the Big Beat artist Overseer from his album "Wreckage".
"Everybody Needs a 303" is a song by British big beat artist Fatboy Slim, released as the first single from his debut album "Better Living Through Chemistry" (1996).
The comprehensive discography of Praga Khan, a Belgium-based new beat artist, consists of all works recorded by Maurice Engelen.
 also known as Praga Khan.
Michael Len Williams II (born March 23, 1989), known professionally as Mike Will Made It (often stylized as Mike WiLL Made-It) or simply Mike Will, is an American record producer, rapper, singer and songwriter from Atlanta, Georgia.
 He is best known for producing trap beats for several Southern hip hop artists as well as for producing several singles, such as "Black Beatles" by Rae Sremmurd, "Mercy" by GOOD Music, "No Lie" by 2 Chainz, "Bandz a Make Her Dance" by Juicy J, "Pour It Up" by Rihanna, "Love Me" by Lil Wayne, "Body Party" by Ciara, "We Can't Stop" by Miley Cyrus, "First Day Out the Feds" by Gucci Mane, "Formation" by Beyoncé, and "Humble" by Kendrick Lamar.
 He has released six mixtapes.
The comprehensive discography of Praga Khan, a Belgium-based new beat artist, consists of eight studio albums, two live albums, three compilation albums, two remix albums two soundtrack albums, thirty-three singles, one sampler, and one video album.
"High by the Beach" is a song recorded by American singer Lana Del Rey and the first single from her fourth studio album, "Honeymoon" (2015).
 Written by Lana Del Rey, Rick Nowels and Kieron Menzies.
 A synth-led trap-pop ballad, it is more uptempo and pop-indebted than Del Rey's previous releases, but prominently recalls the hip hop and trip hop influences of her 2012 album, "Born to Die".
 The song is based around electronic production, a trap beat and an orchestral organ arrangement.
"Sunset (Bird of Prey)" is a song by the British big beat artist Fatboy Slim, released from his 2000 album "Halfway Between the Gutter and the Stars".
 The single peaked at No. 9 in the UK and No. 77 in Switzerland.
"Art Deco" is a song by American recording artist Lana Del Rey for her fourth studio album, "Honeymoon" (2015).
 The song was written by Del Rey and Rick Nowels, and produced by Del Rey, Nowels, and Kieron Menzies.
 Lyrically, "Art Deco" describes a "queen of the party scene".
 Some online media outlets notably speculated the song's lyrics to be about rapper Azealia Banks, though Del Rey has since declared this false.
 Musically, "Art Deco" employs a trap beat, and varying influences of jazz, trip hop, and hip hop.
 According to Lucas Villa of AXS, the song also features a noir aesthetic, as well as a "lady-sings-the-blues" aesthetic.
 Instrumentally, the song features synths, a saxophone, and percussion.
 Music critics generally gave "Art Deco" mixed reviews, with particular praise being directed at the song's diverse production, but criticism being placed on the song's lyrics.