bass Adam Blackstone
bass Leonard Hubbard
drums Questlove
executive-producer Richard Nichols
guitar Anthony Tidd
guitar Kirk Douglass
guitar Martin Luther
horns Kevin Hanson
keyboards Kamal Gray
keyboards Omar Edwards
mastered by Tom Coyne
tracks 2, 5, 8 to 10 mixed by Bob Power
tracks 6 mixed by Jimmy Douglass
tracks 3 mixed by Mauricio "Veto" Iragorri
tracks 1, 4, 7 mixed by Russell Elevado
percussion Frank "Knuckles" Walker
tracks 1a to 2, 4, 10.c producer Ahmir '?uestlove' Thompson
tracks 1, 2, 4 to 9 recorded by Jon Smeltz
tracks 3, 10 recorded by Wayne Allison
vocals Black Thought
tracks 1, 2, 4, 6 to 8, 10 written-by Ahmir '?uestlove' Thompson
tracks 1, 2, 4, 8, 10 written-by Kamal Gray
tracks 2, 5, 7, 8 written-by Karl B. Jenkins
tracks 2, 4, 8, 10 written-by Kirk Douglass
tracks 1, 2, 4, 6, 8, 10 written-by Leonard Hubbard
written-by Tariq Trotter
Phonographic Copyright (p) Geffen Records
Copyright (c) Geffen Records
Manufactured By Universal Music & Video Distribution, Corp.
Distributed By Universal Music & Video Distribution, Corp.
Recorded At The Studio
Recorded At The Sound Villa
Recorded At The Hit Factory Criteria
Mixed At The Studio
Mixed At Manhattan Center Studios
Mixed At Can-Am Recorders
Glass Mastered At Sony DADC
Star contains samples of the composition Everybody Is a Star by Sly and the Family Stone written by Sylvester Stewart.

Stay Cool contains samples of the composition Harlem Hendo written by Paul Griffin and Yolanda Paterno, performed by Al Hirt.

Boom! contains resung elements from the composition Poison written by Nathaniel Wilson and Marlon Williams, also contains resung elements from the composition Wrath of Kane written by Antonio Hardy and Marlon Williams.

Barcode: 6 02498 62376 3
Matrix / Runout: DIDX-152242 1 A01
Mastering SID Code: IFPI L328
Mould SID Code: IFPI 50D8