Question: Black Nativity is a 2013 American musical drama film directed by Kasi Lemmons, the film stars an African American ensemble cast featuring which American hip hop recording artist, record producer, actor and entrepreneur, better known by his stage name, called what? 
Context: Damon Blackman (born August 9, 1974), better known by his stage name Dame Grease, is an American hip hop recording artist and record producer from Harlem, New York.  Born and The Bronx, raised in Harlem he began his musical career as a producer and has since added rapper, record executive, creative director and fashion designer, to his repertoire.  In 1996 he gained recognition in the hip hop industry, through his work with Bad Boy Records and The Lox.  He also established himself as a prominent New York Producer while working with East Coast rapper DMX and the Ruff Ryders Entertainment record label. Nasir Bin Olu Dara Jones ( ; born September 14, 1973), better known by his stage name Nas , is an American hip hop recording artist, record producer, actor and entrepreneur.  The son of Olu Dara, Nas has released eight consecutive platinum and multi-platinum albums and has sold over 25 million records worldwide.  He is also an entrepreneur through his own record label; he serves as associate publisher of "Mass Appeal" magazine and is the owner of a Fila sneaker store.  He is currently signed to Mass Appeal. Dwan Howard (born January 23, 1985), better known by his stage name Curtiss King is an American hip hop recording artist and record producer based out of the Inland Empire.  Signed to independent label, Black Cloud Music, King is also known for his productions credits with artists such as Murs Noa James, Top Dawg Entertainment recording artist Ab-Soul, Glasses Malone, Mack 10 and more. Black Nativity is a 2013 American musical drama film directed by Kasi Lemmons.  The script, written by Lemmons, is based on Langston Hughes' play of the same name and released on November 27, 2013.  The film stars an African American ensemble cast featuring Forest Whitaker, Angela Bassett, Tyrese Gibson, Jennifer Hudson, Mary J. Blige, Jacob Latimore, Vondie Curtis-Hall, and Nas. Eve's Bayou is a 1997 American drama film written and directed by Kasi Lemmons, who made her directorial debut with this film.  Samuel L. Jackson served as a producer and starred in the film with Lisa Nicole Carson, Jurnee Smollett, Lynn Whitfield and Meagan Good. Herbert Brown, better known by his stage name McGruff (also known as Herb McGruff) is an American Hip hop recording artist from Harlem, New York City, New York.  Brown started rapping in his early teens.  He embarked on his music career in the hip hop group Bronx Most Wanted, alongside rappers Jay Q and Tee U.B. Brown later became a member of the hip hop collective Children of the Corn.  As a member of Children of the Corn, Brown worked alongside Big L, Cam'ron, Bloodshed and Mase, all of whom would go on to have successful careers in the music industry.  After the group disbanded without releasing any material, Brown made his first appearance on Big L's debut album, "Lifestylez ov da Poor & Dangerous" (1995), on the tracks "8 Iz Enuff" and "Dangerzone".  Eventually, Brown signed a deal with popular hip hop label, Uptown Records and began recording his debut album, "Destined to Be".  In early 1998, the album's lead single "Before We Start" became a minor hit, charting on several "Billboard" charts.  In the Summer of 1998, "Destined to Be" was released but failed to sell many copies, only peaking at 169 on the "Billboard" 200, and Brown was released from his contract.  Brown would make appearances with Heavy D on his album, "Waterbed Hev" and the "Woo" soundtrack.  In 2009, Brown appeared on Mase's mixtape "I Do the Impossible".  In 2010, he was featured heavily on The Diplomats mixtape, "The D.I.P. Agenda."  In 2014, DJ Kay Slay, enlisted Brown, along with Raekwon, Fat Joe, Ghostface Killah, Sheek Louch, N.O.R.E., Lil' Fame, Prodigy and Rell, for a song titled "90s Flow". Waleed Shabazz (born August 3, 1975), better known by his stage name C-Rayz Walz, is an American hip hop recording artist from The Bronx borough of New York City.  Aside from his solo career he is also a member of the East Coast hip hop syndicate, Stronghold.  C-Rayz Walz has been a fixture in the New York hip hop scene for years.  He hosts many hip-hop shows and events, has appeared on over 43 singles and launched his own label, SunCycle Entertainment.  C-Rayz has worked with several other artists in underground hip hop, including Aesop Rock, Immortal Technique, and Percee P. Chidera Anamege, now known by his stage name Chiddy Bang is an American hip hop recording artist.  Prior to its breakup, Chiddy Bang was an American hip hop duo consisting of Anamege, under the stage name Chiddy, and Noah Beresin, under the stage name Xaphoon Jones.  The duo was introduced by former band member Zachary Sewall in late 2008 while the two were studying at Drexel University, in Beresin's hometown of Philadelphia.  Anamege's sound is based on the fusion of hip hop and alternative using samples from artists such as Ellie Goulding, Radiohead, Sufjan Stevens, Passion Pit, MGMT, Matt and Kim, and Yelle.  In 2013, Beresin left the group to focus on producing and Anamege became a solo artist, with Beresin playing the role as frequent collaborator.  Since departing from the group, Beresin has changed his stage name to Noah Breakfast. Leslie Jonathan Mampe, Jr., (born July 26, 1985), better known by his stage name Da L.E.S, is a South African and American hip hop recording artist and record producer.  He achieved early success with his band, Jozi, and is most known for his solo single, "Heaven", which was released in 2013, and features fellow South African hip hop recording artists, AKA, and Maggz. Kasseem Dean (born September 13, 1978), better known by his stage name Swizz Beatz, is an American hip hop recording artist and record producer from New York City, New York.  Born and raised in The Bronx, he began his musical career as a disc jockey (DJ) and has since added rapper, singer, producer, record executive, creative director and fashion designer to his repertoire.  At the age of 16, he gained recognition in the hip hop industry, through his friendship and work with East Coast rapper DMX and the Ruff Ryders Entertainment record label.
Answer: Nas