The cover art and its interior artwork were designed by Japanese contemporary artist Takashi Murakami. The album also features guest appearances from recording artists such as Dwele, T-Pain, Lil Wayne, Mos Def, DJ Premier, and Chris Martin. It was primarily produced by West himself, with contributions from various other producers, including DJ Toomp. Recording sessions took place between 20 at several studios in New York and Los Angeles. Graduation is the third studio album by American rapper and producer Kanye West, released on September 11, 2007, through Def Jam Recordings and Roc-A-Fella Records.