Campbell – instrumentation, producer, programming Mike Chav – engineer, guitar, mixing Keyshia Cole – vocals Bootsy Collins – vocals Sean Cooper – sound design Daz Dillinger – vocals DJ Pooh – vocals Shon Don – engineer, mixing, vocals Anthony Donelson – guitar John Fryer – mixing Brian Gardner—mastering engineer Ricky Harris – vocals Tasha Hayward – hair stylist L.T. Hutton – producer, vocals Lil Jon – producer, vocals Craig Love – guitar Anthony Mandler – art direction, design, photography Mister Cartoon – logo illustration Nelly – vocals Mike Nemirovsky – assistant The Neptunes – producer Nate Oberman – engineer, mixing Quazedelic – background vocals, congos, percussion April Roomet – stylist Sha Money XL – mixing, producer Snoop Dogg – primary artist, rhymes, lead vocals, vocal arrangement Soopafly – horn arrangements, producer, vocals Phil Tan – mixing Justin Timberlake – vocals Tone Trezure – vocals Trina – vocals Patrick Viala – mixing Kamasi Washington – horn selection Pharrell Williams – vocals Charlie Wilson – vocals Chart positions Weekly charts Year-end charts Certifications See also Boss'n Up References Snoop Dogg albums 2004 albums Albums produced by Mr. Porter Albums produced by Hi-Tek Albums produced by J. R. Rotem Albums produced by Lil Jon Albums produced by L.T. Hutton Albums produced by the Neptunes Albums produced by Ron Browz Albums produced by the Alchemist (musician) Albums produced by Soopafly Albums produced by Warryn Campbell Geffen Records albums Doggystyle Records albums Star Trak Entertainment albums