Question: What American rapper has worked with drummer Travis Barker and fellow rapper Chamillionaire?

Context paragraphs:
Paul Wall: Paul Michael Slayton (born March 11, 1981), better known by his stage name Paul Wall, is an American rapper from Houston, Texas.  He is affiliated with Swishahouse Records.  He has released several albums under the label and collaborating with other rappers signed to the label.  He was musical partners with rapper Chamillionaire with whom he released several albums including the independently released "Get Ya Mind Correct".  In 2005, he was signed to Atlantic Records and became successful with his major-label debut "The Peoples Champ". " Get Money, Stay True" followed in 2007.

Meet the Barkers: Meet the Barkers was a reality television series which aired on MTV.  The series followed the everyday life of married couple, blink-182 drummer Travis Barker and his wife Shanna Moakler, as well as Moakler and Barker's 2 children Alabama Luella Barker and Landon Asher Barker - Moakler and Oscar De La Hoya's daughter also appeared on the show - Atiana Cecelia De La Hoya.  "Meet the Barkers" lasted two seasons, airing 16 episodes.

Simply Unstoppable: "Simply Unstoppable" is a song by British rapper Tinie Tempah, taken from his debut studio album, "Disc-Overy".  The song features uncredited vocals from British singer Vanya Taylor.  On 20 April 2011 the track was released as a promotional single in the form of the YES remix, a remix featuring American drummer Travis Barker and Irish sportswoman Katie Taylor, exclusively for use in a Lucozade advertising campaign.

Ammunition (EP): Ammunition is an extended play by American rapper Chamillionaire.  It was released on  20, 2012 (2012--) , by Chamillitary Entertainment.  "Ammunition" is Chamillionaire's first major album release since his second studio album, "Ultimate Victory" (2007).  With production handled by The Beat Bullies, and CyFyre, among others, and collaborated with artists such as Angel, Saigon and Marcus Manchild.

Psycho White: Psycho White is a collaborative EP by American drummer Travis Barker and rapper Yelawolf.  It was released on November 13, 2012 under LaSalle Records, Famous Stars and Straps and Killer Distribution.  The first single of the EP, "Push 'Em" was released as a free download via Yelawolf's Twitter page and on numerous hip hop websites on September 12.  The artwork was released the same day as well as a behind-the-scenes video of how the artwork was created.

LAX (album): LAX is the 3rd studio album by American rapper The Game.  It was released on August 26, 2008, by Geffen Records.  Recording sessions took place from 2007 to 2008, with the production that were contributed by Cool & Dre, Kanye West, Scott Storch, Nottz, Hi-Tek, J.R. Rotem and JellyRoll; as well as guest appearances from Chrisette Michele, Common, Ice Cube, Keyshia Cole, Ludacris, Nas, Ne-Yo, Raekwon, Raheem DeVaughn, Travis Barker, Bilal and Lil Wayne.  The album was supported by four singles: "Game's Pain" featuring Keyshia Cole, "Dope Boys" featuring Travis Barker, "My Life (The Game song)" featuring Lil Wayne, and "Camera Phone (song)" featuring Ne-Yo.  The album was released with two different cases such as one cover art for the deluxe version with Game looking at the camera with his bandanna in his hand, and the cover art for another was with him sitting on a couch smoking a blunt.

Give the Drummer Some: Give the Drummer Some is the first solo record by Blink-182 drummer Travis Barker.  Barker had earlier announced that the album would be slated for a September 2010 release, but was later pushed back, with the album being released on March 15, 2011.  The album, released under Interscope Records, was produced by the drummer himself, alongside The Neptunes, RZA, Kool Kojak, Chuck Inglish, Transplants, Kid Cudi, EDIT, Corey Taylor and Steve Aoki.  The album debuted at number nine on the US "Billboard" 200 chart, with first-week sales of 28,000 copies in the United States.

Travis Barker discography: American drummer Travis Barker has released one studio album, one extended play (EP), and 19 singles.  Barker, best known for his work with Blink-182, has been a part of various punk rock bands throughout his career, including the Aquabats, Box Car Racer, Transplants, +44, and Goldfinger.  Outside of his work in rock music, Barker has worked prolifically in hip hop; he was a member of the supergroup Expensive Taste and the drummer-and-DJ duo TRV$DJAM, and has released extended plays with Yelawolf, and Asher Roth and Nottz.  He holds many guest appearances on songs from a variety of musicians, including many rappers such as Lil Wayne, Paul Wall, the Game, and Run the Jewels.  Barker became well known in the late 2000s for creating rock remixes to rap songs.  His debut studio album, "Give the Drummer Some", was released in 2011 and debuted at number nine on the "Billboard" 200 in the United States.

Ridin': "Ridin'" is a song by American rapper Chamillionaire, released as the lead single from his debut studio album "The Sound of Revenge" (2005).  The song, produced by Play-N-Skillz, features a guest appearance from fellow American rapper Krayzie Bone, of Bone Thugs n Harmony.  Its title is often incorrectly assumed to be "Ridin' Dirty", due to the chorus.  The lyrics concern racial profiling and police brutality, as well as the stereotyping of African-Americans driving a vehicle with drugs or other contraband on the inside ("Riding dirty").

The G Files: The G Files is the sixth studio album by American rapper Warren G.  The album features guest performances from fellow 213 members, Snoop Dogg and Nate Dogg, as well as Cassie Davis and Blink-182 drummer Travis Barker.

Supporting paragraphs: Travis Barker discography Paul Wall
Answer: Paul Wall