Nasir bin Olu Dara Jones known professionally as Nas is an American rapper and entrepreneur. Rooted in East Coast hip hop, he is regarded as one of the greatest rappers of all time. The son of jazz musician Olu Dara, Nas began his musical career in 1989 under the moniker "Nasty Nas" and recorded demos under the wing of fellow East Coast rapper Large Professor. Nas made his recording debut on Professor's group, Main Source's 1991 song "Live at the Barbeque". Nas has been second ranked by The Source on their "Top 50 Lyricists of All Time" list in 2012, fourth on MTV's Annual Hottest MCs in the Game list in 2013, and was named the "Greatest MC of All Time" by About.com in 2014. The following year, Nas was featured on the "10 Best Rappers of All Time" list by Billboard. Outside of recording, he serves as associate publisher of Mass Appeal magazine, and co-founded its spin-off division Mass Appeal Records, a record label that has signed artists including Dave East, N.O.R.E., Run the Jewels, and Swizz Beatz, among others. Nas has released 17 studio albums since 1994, 10 of which are certified gold, platinum or multi-platinum in the U.S.