James D'Agostino (born 1975), professionally known as DJ Green Lantern, is an American hip hop disc Jockey (DJ) and music producer from Rochester, New York. In 2002, D'Agostino was signed by American rapper Eminem, to become the official DJ for Shady Records, after DJ Head stepped down for undisclosed reasons. D'Agostino left the label in 2005, due to a dispute with Shady Records artist 50 Cent after Jadakiss secretly recorded a personal conversation dissing 50cent. Betrayal]