A previously unheard J Dilla track "Gangsta Boogie" has been released, premiering Sunday night on Dr. Dre's The Pharmacy radio show on Beats 1.

The track is off J Dilla's lost 2002 vocal album The Diary, which is finally being released by PayJay/Mass Appeal Records on April 15.

"Gangsta Boogie," which features Snoop Dogg and Kokane, can be heard below.