Kanye West, Drake and Lil Wayne join Eminem on Relapse: Refill, the unexpected and revamped edition of Eminem's 2009 studio album.

Set to be released ahead of the anticipated follow up, Relapse 2, Relapse: Refill features five never-heard-before tracks.

"Hopefully these tracks on the Refill will tide the fans over until we put out Relapse 2 next year," Eminem says in the statement.

"I got back in [the studio] with Dre and then a few more producers, including Just Blaze, and went in a completely different direction which made me start from scratch. The new tracks started to sound very different than the tracks I originally intended to be on Relapse 2, but I still want the other stuff to be heard."

Tracks on Relapse: Refill include "Taking My Ball," from the DJ Hero video game as well as "Forever," featuring Drake, Kanye West and Lil Wayne.

Relapse: Refill is due in stores December 21 via Aftermath/Interscope.

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