Credits

DJ Nu-Mark: Producer, Mixing
E-40: Vocals
J-Zone: Producer, Keyboards, Mixing
Justin Timberlake: Vocals
Sly & Robbie: Producer
Joanna Newsom: Vocals
Norah Jones: Vocals
T-Pain: Vocals
Prime: Producer
Maya Rudolph: Vocals
Julian Casablancas: Vocals
Curtis Fowlkes: Horns
The Lonely Island: Recording
Chris Parnell: Vocals
Natalie Portman: Vocals
Chester Tam: Additional Vocals
Jack Black: Vocals
Andy Samberg: Horns
Andrew Campbell: Producer
Brian Sperber: Guitar, Mixing, Strings
Jay Rodriguez: Horns
Hot Sugar: Guitar
Katreese Barnes: Producer
Tony Gillis: Mastering
Bill Brendle: Piano
Nir Z.: Drums
Matthew "Cornbread" Compton: Drums, Producer, Organ
Jorma Taccone: Producer, Mastering, Mixing
Mansur Zafr: Producer
Rick Tha Rular : Producer
Fabio Margera: Horns
James Bairiam: Horns
Asa Taccone: Producer