The Real Slim Shady will release a collection of new music next month, rejecting rumors that he is retiring from the music biz.

The notorious Eminem, Marshall Mathers in real life, is understood to have collaborated a mixtape with budding DJ Whoo Kid, who has been associated with new material from both popstar Michael Jackson and rapper 50 Cent recently. The MO< Titled The Re-Up, has a number of performances from Eminem. It has a new single, and is in memory of his best friend who was murdered earlier this year.

Eminem's "Things Need To Change," which concerns the death of the slain D12 star is also in the album with performances of Dr. Dre, Jay-Z, 50 Cent, Obie Trice, G-Unit, and Proof.

The tracklisting, according to hiphopgalaxy, is as follows:
Eminem featuring DJ Whoo Kid - "We're Back"
Eminem - "Let Me Speak"
Eminem featuring Bizarre - "Things Need To Change"
Obie Trice featuring Akon - "Snitch"
Eminem - "I'm Lazy"
Busta Rhymes featuring Nas - "Rough Around The Edges"
Eminem featuring D12 - "Last Words (R.I.P. Proof)"
Rick Ross featuring Jay-Z & Young Jeezy - "Hustlin' (Remix)
Obie Trice - "Cry Now"
Stat Quo - "Twirl"
Obie Trice - "Pistol Pistol" (D12 Remix)
Alchemist - "The Interlude"
Obie Trice featuring The Alchemist" - "The Word Is Out"
D12 featuring Eminem & Proof - "Blast That"
Lloyd Banks feat 50 Cent - "My House"
Dr. Dre - "The Interlude (Part Two)"
Busta Rhymes featuring Eminem - "I'll Hurt You"
All Of Shady Records - "The Interlude (Part Three)"
Swifty & Kuniva - "Freestyle"
Obie Trice featuring Eminem - "Emulate"
Trick Trick - "Freestyle"
Proof featuring 50 Cent - "Forgive Me"
Eminem featuring DJ Whoo Kid - "We Out"