On behalf of J Dilla's mother, Maureen “Ma Dukes” Yancey has unveiled a new project titled The King of Beats (Ma Dukes Yancey Collector’s Edition Box Set) which will feature 40 new J Dilla tracks. Among these releases, one of them has been unveiled today with 'Filth'. This track will be featured on a cassette tape that will hold five unreleased songs. Look out for The King of Beats (Ma Dukes Yancey Collector’s Edition Box Set) coming soon. Take a listen to Dilla's raps over his self-produced song 'Filth' above.