Nahum Grymes (born November 29, 1984), better known by his stage name J. Holiday, is an American recording artist and songwriter. He came into prominence in 2007 with his breakthrough hit "Bed", peaking at number five on the Billboard Hot 100. He released two studio albums, Back of My Lac' (2007) & Round 2 (2009). His third studio album Guilty Conscience, was released in January 2014. His first album in over five years.