has invited a group of press including MTV, Rolling Stone and Entertainment Weekly to preview his upcoming album ''. From the session that took place at Roc the Mike Studios in Manhattan, it is found that Jay-Z has let other musician to produce some of the tracks, and that person is .
It was just weeks ago when Diddy walked in to Jay-Z's studio with some materials. That day, Diddy didn't know that Jay was planning a concept album inspired by '' the movie. It was a coincident when the materials he brought have the '70s vibe that would suit the movie background well. "It fit the time period and everything," said Jay.