Credits

Chubb Rock: Rap
Mos Def: Rap
Damian Marley: Producer, Rap
Chali 2na: Rap
Vernon Reid: Guitar
Minnesota: Producer
Mychael Danna: Strings
Kirk Hammett: Guitar
K'naan: Producer, Executive Producer
Ben Grosse: Mixing
Adam Levine: Vocals
Dwight Dawes: Piano
Manny Marroquin: Producer, Keyboards, Mixing
Rayzak: Backing Vocals
Kerry Brothers: Producer
Bruno Mars: Guitar, Bass, Drums, Producer, Keyboards, Backing Vocals
Brian West: Producer
Don Gilmore: Bass, Producer, Keyboards, Recording
Ian Coleman: Guitar
Matt Cappy: Trumpet, Backing Vocals
Onree Gill: Keyboards
Randy Cooke: Drums
Dave McNair: Mastering
Jan Fairchild: Mixing
Gannin Arnold: Guitar
James Diener: A & R, Producer
James Valentine: Guitar
Shiah Coore: Bass
Ron Haney: Guitar
Matt Flynn: Drums
Phillip Lawrence: Percussion, Backing Vocals
James Minchin: Photography
Steve Rodriguez: Bass
Nate Stallworth: Keyboards
Paul Arbogast: Trombone
Roi Hernandez: Art Direction
Michelle Jubelirer: Legal
Sol Guy: Producer, Management
Ben Berkman: A & R, Producer
Amir Aziz: Photography, Art Direction
Alzo Slade: Photography