Jay-Z is DJ’ing for Sirius Satellite Radio Hip-Hop Nation channel - which will be suitably renamed Jay-Z Nation - for one week starting on Monday (Today). Jay will be playing some of his own tracks as well as those of his favourite rappers. Chief executive of Sirius, Scott Greenstein, says: “Jay-Z is one of the pre-eminent creative forces in the music industry. Over the last decade, he has truly changed the face of hip-hop and music culture.”