Dr. Dre’s The Pharmacy had a special record in the vault—an unreleased J Dilla record. After premiering it live on Beats 1 Radio tonight, they share the official audio on Mass Appeal Records’ SoundCloud. “Gangsta Boogie” features Snoop Dogg and veteran rapper Kokane. It’ll appear on J Dilla’s The Diary, the long-lost album from the 2000s, which is slated for April 15. Check out “Gangsta Boogie” below.