An unreleased vocal album from J Dilla is set to be released posthumously, with productions coming from Madlib and more.

The rapper died in 2006, but has spawned various bootleg releases since, this one, however, has been approved by his family and estate.

The Diary is to be released on his Pay Jay label during spring 2013, with new single ‘Anthem set to appear on the LP.

That track will drop 15 April, but can be streamed before then below: