D., and Key Wane along with additional production from Hit-Boy, and Da Internz, Mike Dean, Travis Scott, Xaphoon Jones and Young Chop among others.
Big Sean also stated in an interview that he was in the studio with fellow Detroit native Eminem.
He then began promoting the mixtape, releasing short versions of the songs on his You Tube page.
On September 5, 2012, Big Sean released the mixtape Detroit which features guest appearances from fellow rappers J.
However, Wiz Khalifa later confirmed that there would be no mixtape, claiming that the songs were created, "just for fun".