To be included with pre-orders of Dilla’s posthumous album.

J Dilla’s lost vocal album The Diary was finally see release this April through Nas’ label Mass Appeal. Nas was at SXSW this week and debuted a new collaborative track at his performance titled ‘The Sickness’. It features Nas rapping over a Dilla beat crafted in 2001. Watch it above and look for The Diary April 15 at Record Store Day.