title: California Boy
GO:OD AM
Black Ken
Chief Keef
05 Fuck Em
Obama BasedGod
Hoop Life
Choices and Flowers
Drop the World
Rain in England
sentences: "California Boy" is a song by American rapper Lil B.
 It was released for digital download on September 16, 2012, through Lil B's own record label, BasedWorld Records.
 "California Boy" marks as Lil B's debut rock music release and will be the title track of an upcoming rock music album.
 The accompanying music video for the song was also released on September 17, 2012.
GO:OD AM is the third studio album by American rapper Mac Miller.
 It was released on September 18, 2015, by REMember Music and Warner Bros.
 Records.
 The album features guest appearances from Ab-Soul, Chief Keef, Lil B, Miguel and Little Dragon.
Black Ken is a mixtape by American rapper Lil B.
 Self-produced and self-released by Lil B, the mixtape was released on August 17, 2017 and features contributions from iLoveMakonnen.
 Lil B described the record as his “first official mixtape” and dedicated it as a tribute to various artists such as Kanye West, Iggy Azalea, Lupe Fiasco and Charles Hamilton.
Keith Cozart (born August 15, 1995), better known by his stage name Chief Keef, is an American rapper and record producer from Chicago, Illinois.
 During his teenage years and while under house arrest, Keef's music videos were met with acclaim from local high school students.
 His increasing popularity led to him being the subject of a brief bidding war among labels.
 Ultimately, Keef signed a major record deal with Interscope Records and later signed with 1017 Brick Squad.
 Keef also became the CEO of his own record label, Glory Boyz Entertainment, which later developed into Glo Gang.
05 Fuck Em is a mixtape by American rapper Lil B.
 It was independently released on December 24, 2013, through Lil B's own record label, BasedWorld Records.
 Intended to be spread across six discs, the mixtape is one of the longest mixtape releases by Lil B after the 676-track "Free Music: The Complete MySpace Collection" (2011) and "855 Song Based Freestyle Mixtape" (2012), verging on nearly six hours with 101 tracks.
Obama BasedGod is a mixtape by American rapper Lil B.
 It was released digitally for free on June 30, 2012 through Lil B's own record label, BasedWorld Records.
Hoop Life is a mixtape by American rapper Lil B.
 It was digitally released on June 1, 2014, through Lil B's own record label, BasedWorld Records.
 The mixtape mainly features basketball-themed songs.
Choices and Flowers is the first instrumental studio album by American rapper Lil B, released under the moniker The BasedGod.
 It was digitally released on May 17, 2012, through Lil B's own record label, BasedWorld Records.
 The album consists of instrumental versions of songs from his previous releases "Rain in England", "Dior Paint" and "Roses Exodus".
 Lil B has described the album as his "classical music debut", although most critics have instead classified it as a New Age album.
 It was followed later in 2012 by a second "classical" album released under the BasedGod name, "Tears 4 God".
"Drop the World" is a song by American rapper and recording artist Lil Wayne, featuring a guest appearance from fellow American rapper Eminem.
 It serves as the third single from Lil Wayne's seventh studio album, "Rebirth" (2010).
 This song is also titled as: Eminem x Lil Wayne - "Drop the World" on Eminem's hidden video album titled "Detroit King" The song was released on iTunes on December 28, 2009.
 Lil Wayne, Eminem, and Travis Barker of Blink-182 performed the song together along with Drake's song "Forever" at the 52nd Grammy Awards in 2010.
 On April 10, 2014, the single was certified quadruple platinum by the RIAA.
Rain in England is an album by American rapper Lil B, released on the label Weird Forest on September 21, 2010.
 Produced by Lil B under his persona "The Based God", "Rain in England" is unusual for the hip hop genre because it has no percussive beats.
 Instead, Lil B raps over new-age-style synthesizer music.
 The lyrical style, which finds Lil B speaking on topics like family, love and death, has been noted for its sincerity and reflectiveness.

Question: Question: What is the real name of the American rapper and record producer who made a guest appearance on the GO:OD AM album along with Ab-Soul, Lil B, Miguel and Little Dragon? 

 Your answer will be verified with exact match score. To ensure correct verification, only provide the answer within the <answer> </answer> tags. Do not put any sentences or reasoning process within the <answer> </answer> tags. 

Supporting Information: Paragraph 0 

 "California Boy" is a song by American rapper Lil B.
 It was released for digital download on September 16, 2012, through Lil B's own record label, BasedWorld Records.
 "California Boy" marks as Lil B's debut rock music release and will be the title track of an upcoming rock music album.
 The accompanying music video for the song was also released on September 17, 2012. 

--------------------------------

Paragraph 1 

 GO:OD AM is the third studio album by American rapper Mac Miller.
 It was released on September 18, 2015, by REMember Music and Warner Bros.
 Records.
 The album features guest appearances from Ab-Soul, Chief Keef, Lil B, Miguel and Little Dragon. 

--------------------------------

Paragraph 2 

 Keith Cozart (born August 15, 1995), better known by his stage name Chief Keef, is an American rapper and record producer from Chicago, Illinois.
 During his teenage years and while under house arrest, Keef's music videos were met with acclaim from local high school students.
 His increasing popularity led to him being the subject of a brief bidding war among labels.
 Ultimately, Keef signed a major record deal with Interscope Records and later signed with 1017 Brick Squad.
 Keef also became the CEO of his own record label, Glory Boyz Entertainment, which later developed into Glo Gang. 

--------------------------------

Paragraph 3 

 05 Fuck Em is a mixtape by American rapper Lil B.
 It was independently released on December 24, 2013, through Lil B's own record label, BasedWorld Records.
 Intended to be spread across six discs, the mixtape is one of the longest mixtape releases by Lil B after the 676-track "Free Music: The Complete MySpace Collection" (2011) and "855 Song Based Freestyle Mixtape" (2012), verging on nearly six hours with 101 tracks. 

--------------------------------

Paragraph 4 

 Obama BasedGod is a mixtape by American rapper Lil B.
 It was released digitally for free on June 30, 2012 through Lil B's own record label, BasedWorld Records. 

--------------------------------

Paragraph 5 

 Hoop Life is a mixtape by American rapper Lil B.
 It was digitally released on June 1, 2014, through Lil B's own record label, BasedWorld Records.
 The mixtape mainly features basketball-themed songs. 

--------------------------------

Paragraph 6 

 Choices and Flowers is the first instrumental studio album by American rapper Lil B, released under the moniker The BasedGod.
 It was digitally released on May 17, 2012, through Lil B's own record label, BasedWorld Records.
 The album consists of instrumental versions of songs from his previous releases "Rain in England", "Dior Paint" and "Roses Exodus".
 Lil B has described the album as his "classical music debut", although most critics have instead classified it as a New Age album.
 It was followed later in 2012 by a second "classical" album released under the BasedGod name, "Tears 4 God". 

--------------------------------

Paragraph 7 

 "Drop the World" is a song by American rapper and recording artist Lil Wayne, featuring a guest appearance from fellow American rapper Eminem.
 It serves as the third single from Lil Wayne's seventh studio album, "Rebirth" (2010).
 This song is also titled as: Eminem x Lil Wayne - "Drop the World" on Eminem's hidden video album titled "Detroit King" The song was released on iTunes on December 28, 2009.
 Lil Wayne, Eminem, and Travis Barker of Blink-182 performed the song together along with Drake's song "Forever" at the 52nd Grammy Awards in 2010.
 On April 10, 2014, the single was certified quadruple platinum by the RIAA. 

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Answer: Keith Cozart