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Nasir bin Olu Dara Jones was born on September 14, 1973, in Brooklyn, New York. His father, Olu Dara (born Charles Jones III), is a jazz and blues musician, from Mississippi. His mother, Fannie Ann (Little) Jones, was a Postal Service worker from North Carolina. He has one sibling, a brother named Jabari Fret who is best known as "Jungle", a member of the hip-hop group Bravehearts.

On September 6, 2007, Nas performed at a free concert for the Virginia Tech student body and faculty, following the school shooting there. He was joined by John Mayer, Alan Jackson, Phil Vassar, and Dave Matthews Band. When announced that Nas was to perform, political commentator Bill O'Reilly and Fox News denounced the concert and called for Nas's removal, citing "violent" lyrics on songs such as "Shoot 'Em Up", "Got Urself a Gun", and "Made You Look". During his Talking Points Memo segment for August 15, 2007, an argument erupted in which O'Reilly claimed that it was not only Nas's lyrical content that made him inappropriate for the event, citing the gun conviction on Nas's criminal record. In the midst of his debate with author Bakari Kitwana (The Hip Hop Generation), who defended Nas, claiming that Fox News had "cherry picked" select fragments of the songs to make their case, O'Reilly shouted, "Even in his personal life, man, he's got a conviction for weapons, all right? He's got a weapons conviction, sir! On his sheet! This is a school that had a mass murderer with a shotgun gunning down people--this guy has got a conviction for weapons, and you say he's appropriate? Come on!" O'Reilly repeated the claim another five times before cutting the segment short.  On September 6, 2007, during his set at "A Concert for Virginia Tech", Nas twice referred to Bill O'Reilly as "a chump", prompting loud cheers by members of the crowd. About two weeks later, Nas was interviewed by Shaheem Reid of MTV News, where he criticised O'Reilly, calling him uncivilized and willing to go to extremes for publicity. Responding to O'Reilly, Nas, in an interview with MTV News, said:  He doesn't understand the younger generation. He deals with the past. The people he represents are Republican, older, a generation that has nothing to do with the reality of what's happening now with my generation. ... He's not really on my radar. People like him are supposed to be taught and people like me are supposed to let niggas like him know. I don't take him serious. His shit is all about getting facts twisted or whatever. I wouldn't honor anything Bill O'Reilly has to say. It just shows you what bloodsuckers like him do: They abuse something like the Virginia Tech tragedy for show ratings. You can't talk to a person like that.  On July 23, 2008, Nas appeared on The Colbert Report to discuss his opinion of O'Reilly and Fox News, which he accused of bias against the African-American community and re-challenged O'Reilly to a debate. During the appearance, Nas sat on boxes of more than 625,000 signatures gathered by online advocacy organisation Color of Change in support of a petition accusing Fox of race-baiting and fear-mongering.
Nas