Macy Gray - The Id

Backing Vocals – Erica Yancey*, Marina BambinoPercussion – Davey Chedwiggen*Synthesizer [Casio], Piano [Stylophone] – Zac RaeSynthesizer [Moog], Claves – Jeremy Ruzumna

Backing Vocals – Latina Webb, Lejon WalkerMusic By – Victor Indrizzo, Zac RaeSynthesizer [Casio], Electric Piano [Rhodes] – Zac Rae

Backing Vocals – Erica Yancey*, Jane Lopez, Printz Board, Steve Baxter, Tim Izo Orindgreff*Drums – Isiah Avila*Strings – Lily Haydn*Synthesizer [Moog] – Jeremy Ruzumna

Co-producer – DJ Kiilu Grand*Co-producer, Mixed By – Ahmir '?uestlove' ThompsonDrums – Herb Graham Jr.Featuring, Vocals, Guest – Slick RickGuitar – Zac RaeLyrics By, Music By – Ricky WaltersStrings – Darryl Swann

Electric Piano [Rhodes] – Darren Johnson Featuring, Vocals, Guest – Erykah BaduGuitar – John FruscianteMusic By – Joe SoloStrings – Charles Veal Jr.Synthesizer [Farfisa] – Keefus Ciancia

Clarinet – Tim Izo Orindgreff*Drums – Herb Graham Jr., Isiah Avila*Guitar – Dustin BoyerMusic By – Macy GrayOrgan – Tim Carmon, Zac RaePercussion – Davey Chedwiggen*

Backing Vocals – Pamela WilliamsFlute – Tim Izo Orindgreff*Music By – Arik Marshall, Rita MarleySynthesizer – Jeremy RuzumnaSynthesizer [Moog], Organ [Whirly] – Keefus CianciaVocals [Voice] – Jeremy Ruzumna

Backing Vocals – Marina BambinoFeaturing, Vocals, Guest – Sunshine AndersonFlute – Tim Izo Orindgreff*Guitar, Strings, Co-producer – Raphael SaadiqOrgan – James WootenStrings – Charles Veal Jr.

Backing Vocals – Lejon Walker, Marc Cross, Pamela WilliamsBass – Lonnie "Meganut" MarshallClarinet – Tim Izo Orindgreff*Claves – Billy PrestonDrums – Dion MurdockFeaturing, Vocals, Guest – Angie Stone, Mos DefMusic By – Finn Hammer, Keith Ciancia*, Lonnie Marshall*, Tom RallsOrgan [Whirly] – Jeremy RuzumnaSitar – Gabby LangSynthesizer [Kurzweil], Organ [Whirly] – Keith Ciancia*Synthesizer [Moog] – Zac Rae

Music By – Eric Hord, Gary ZekleySynthesizer, Organ [Whirly] – Zac Rae

Backing Vocals, Mixed By – Thom RussoMusic By [Conceptualized] – Brian LesterOrgan – Brian J. Durack

Clarinet – Tracy Wannamoe*Music By – Hoyt AxtonPercussion – Darryl SwannSynthesizer [Wurlitzer], Clarinet – Zac RaeTrombone – Tom Ralls

Clarinet – Tracy Wannamoe*Music By – Macy GrayPercussion – Darryl SwannSynthesizer [Wurlitzer], Clarinet – Zac RaeTrombone – Tom Ralls