Question: Which artist is one half the hip hop group Atmosphere and made a guest appearance on The Emperor & the Assassin?

full_context: Document 1: Afro Samurai: The Album: Afro Samurai OST is the soundtrack of the television series "Afro Samurai". The album was produced by RZA of the Wu Tang Clan, and features big names such as Big Daddy Kane, Talib Kweli, Q-Tip, and GZA. Featuring the historic collaboration between Big Daddy Kane & GZA – "Cameo Afro," this album received great and positive reviews from many websites and magazines.
Document 2: The RZA Presents: Afro Samurai Resurrection OST: Afro Samurai Resurrection OST is the second soundtrack installment of the T.V. series "Afro Samurai." The album was fully produced, arranged and programmed by RZA of the Wu-Tang Clan and features vocals ranging from high-profile names like Kool G Rap, Ghostface Killah, Sly Stone and Rah Digga to lesser known Wu-Tang affiliates such as Boy Jones, P. Dot, Ace, and Moe Roc.
Document 3: Soul Supreme: Soul Supreme (real name David Åström), born 1983, is a hip hop producer from Sweden. He has worked with the likes of KRS-One, Pete Rock and Big Daddy Kane. In 2003 he released his debut and self-produced album “The Saturday Night Agenda” under the name Soul Supreme on the Boston based label Grit Records. The album featured KRS-One, Big Daddy Kane, Pete Rock, O.C. and many more. Later the same year he produced the entire mixtape "Soulmatic", a remixed version of Nas classic album "Stillmatic", which was released through hiphopsite.com. In 2004 he continued with another remix mixtape; Soul & Sense containing remixes on early Common material when Common still called himself Common Sense. This was in 2005 released on Nocturne as a CD entitled “Uncommonly Nasty: Remixed By Soul Supreme & Statik Selektah”. In 2006 he made URB Magazine’s list of the next 100 producers His production borrows heavily from, often pitched-up, soul samples; hence the name. He is signed to JuJu Publishing. Soul Supreme also makes more electro themed music (his own name of this style is rapclash) under the name Kocky. In 2007, Soul Supreme released an electro-house album called "Kingdome Come" under his alias Kocky. The album was released by La Vida Locash and features guest appearances by Timbuktu, Chords, Mapei, and Jens Lekman.
Document 4: Gucci Mane: Radric Delantic Davis (born February 12, 1980), known by his stage name Gucci Mane, is an American rapper. In 2007, Gucci Mane founded 1017 Records. He helped pioneer the hip hop subgenre trap music, alongside fellow Atlanta-based rappers T.I. and Young Jeezy.
Document 5: In Death Reborn: On February 11, 2014, it was confirmed that the album's production team consisted of producers include Stu Bangas, C-Lance, Leaf Dog, Panik and including Army of the Pharaohs' own Apathy amongst others, including new faces that hadn't been producing for the group beforehand. In promotion for "In Death Reborn", Vinnie Paz released "The Flawless Victory" mixtape on March 2, 2014. Reef the Lost Cauze released a collaboration album titled "Fast Way" alongside producer Emyd on March 9, 2014. Member Doap Nixon only appeared on the song "7th Ghost" but spoke out saying, how he was only featured on one song because he had a lot of personal stuff going on and stated that there will be more of him on the LP that is due to drop in November. King Syze released his fourth studio album one month before the album release on March 25 titled "Union Terminology". Apathy pushed back the release date of "Connecticut Casual" from April to June in favour of "In Death Reborn". A week before the release of "In Death Reborn", Zilla announced he was working on his fourth studio album titled "Martyr Musick" set to be released sometime June 2014. The group released their second album of the year "Heavy Lies the Crown" on 21 October 2014. Six months after In Death Reborn.
Document 6: Slug (rapper): Sean Michael Daley (born September 7, 1972), better known by his stage name Slug, is an American rapper from Minneapolis, Minnesota. Slug is best known as one half of the hip hop group Atmosphere, which he founded with Derek Turner (Spawn). Turner has since left and Anthony Davis (Ant) produces Atmosphere with Slug. In 1995, Slug, in collaboration with Anthony Davis, Musab Saad, and Brent Sayers founded the Minneapolis-based independent hip hop record label Rhymesayers Entertainment.
Document 7: Overcast! (album): Overcast! is the debut studio album by Minneapolis hip hop group Atmosphere, released in August 5, 1997 on Rhymesayers Entertainment. It's the only Atmosphere album to feature MC Spawn trading verses with Slug. Before the album's release, Spawn left the group due to conflicting motives.
Document 8: DJ Paul: Paul Duane Beauregard, (born October 13, 1977) better known by his stage name DJ Paul, is an American rapper, record producer, DJ, songwriter and entrepreneur from Memphis, Tennessee. He is a founding member of hip-hop group Three 6 Mafia and the half-brother of the late rapper Lord Infamous.
Document 9: War Music (Slim the Mobster album): War Music is the street album by American rapper Slim the Mobster, hosted by DJ Whoo Kid. The album is Slim's debut on Aftermath Entertainment with Gang Module, and is due out for release on November 9, 2011. It was originally due out on the 25 October, but was delayed until the 8th of November. On the 7th of November, Slim confirmed it had been pushed back an extra day so that Dr. Dre could "finish mastering" the song he featured on. Confirmed features include Dr. Dre, Eminem, Snoop Dogg, Kendrick Lamar, 50 Cent, Mobb Deep, Nikki Grier and Sly. With production coming from Sid Roams, Jake One, Dr. Dre, Sha Money XL, Nottz, Siege Monstrosity, DJ Silk and Boi-1da among others.
Document 10: The Appearances of Keak da Sneak: The Appearances of Keak da Sneak is a compilation album released by rapper, Keak da Sneak featuring songs from various previously released albums in which he had a guest appearance. It was released on October 23, 2001 for Moe Doe Records and was produced by Ant Banks, One Drop Scott and Tone Capone. Many guests appeared on the album, including Luniz, Mac Dre and his group, 3X Krazy. It sold 5,000 copies in its first week on shelves.
Document 11: Ant (producer): Anthony Davis (born September 6, 1970), better known by his stage name Ant, is an American hip hop producer. He is best known as being one half of the hip hop group Atmosphere, but has worked with many other artists and projects, mostly with Rhymesayers Entertainment, such as Brother Ali, I Self Devine, Felt and The Dynospectrum. He has also released two solo albums, Melodies and Memories, and Melodies and Memories 85–89.
Document 12: The Emperor &amp; the Assassin: The album is entirely produced by DJ Kool Akiem. Guest appearances include Slug of Atmosphere, Muja Messiah and Malcolm.
Document 13: Solesides: Solesides was an underground hip hop label based in Northern California, founded in 1991. It comprised various DJs and MCs, the most notable being DJ Shadow, MC–producer Lyrics Born, and the duo, Blackalicious. The members of Solesides all met via the radio station, KDVS, the 5000-watt community radio station of the University of California at Davis. During high school, Davis-natives DJ Shadow (a.k.a. Josh Davis) and The 8th Wonder (a.k.a. Stan Green) used to frequent the station to support Orus Washington's hip-hop show. In college, journalist and then-grad student Jeff Chang (a.k.a. DJ Zen), broadcast a weekly hip-hop radio show that got the attention of DJ Shadow and The 8th Wonder, freshmen Xavier Mosely (Chief Xcel), Tom Shimura (Lyrics Born) and Joseph Patel (a.k.a. Jazzbo). They all shared a like-minded passion for hip-hop that pushed beyond the sounds of mainstream commercial music.
Document 14: Lil Ru: Sylvester Samuels better known by his stage name Lil Ru, is an American rapper from Ridgeway, South Carolina currently signed to Def Jam Recordings. His debut album, 21 & Up was released on August 25, 2009. The Ridgeway native was 16 when he made his professional foray into the music business. Inspired by New Orleans’ innovative Cash Money Crew, Ru began making a name for himself on his local music scene, doing live shows and pressing up his own CDs. His hard-hitting lyrics and entrepreneurial spirit caught the attention of fellow South Carolinian Angie Stone. Shortly after the neo-soul songstress helped him secure a deal with Elektra Records, Ru found himself unsigned again, among the artists lost in the shuffle after the label merged with Atlantic Records. Music fans first heard him on his 2001 debut single Will Destroy. He then released his 2002 follow up, Shawty What You Doin’. Both songs reached the Billboard R&B/Hip-Hop charts and helped land him at his next label home, Capitol Records.
Document 15: Malik Turner: Malik Turner (Michael Muhammad) is an American rapper and producer from Fayetteville, NC, who came to prominence in the 1990s as a rapper. He is known for his politically aware, socially conscious lyrics, and sample heavy production. Malik is the other half of the duo, "Malik Turner (Malik - Mad Lyrics) and DJ Master Jam". The duo was formed in the early 1990s when Malik and DJ, Master Jam were college students at Cheyney University. In 1992 Malik and Jam, along with two friends, Allen "Nadir" Muhammad and Milton "Fahyim" Sharp formed "Son of Man Productions". In 1994, with the support of Guru from Gang Starr, and DJ Sean Ski, Son of Man Productions released the classic independent single, "No More 9 to 5" and "The Last Days of Wax" on their own label "Mpacked Sounds". The classic record was mastered by mastering engineer Tony Dawsey. Mpacked Sounds focused on a more independent label and artist ownership position in their music, during a time when their peers were interested in seeking record deals from major labels. At the time "Billboard" noted the lead single "No More 9 to 5", for having top 40 single potential and hip hop magazines like "Rap Sheet" and "Rap Pages" featured Malik and Master Jam as a rising duo to look out for. Projects with Mpacked Sounds led to opportunities to share the stage with the likes of Brand Nubian, the Fu-Schnickens, Black Sheep, Poor Righteous Teachers, Da Bush Babees, The U.M.C.'s, Rakim, and others.
ground_truth: Slug