Backing Vocals – Billy Durham, Darryl Phinnessee, Keith John, Melody McCully, Peter Byrne, Philip Bailey, Renee Hardaway, Syretta Wright*Lead Vocals [Additional], Backing Vocals – Luther VandrossLead Vocals, Drums, Synthesizer – Stevie Wonder

Drums, Percussion, Synthesizer, Vocals – Stevie Wonder

Backing Vocals – Darryl Phinnessee, Deniece Williams, Howard Smith, Keith JohnDrums, Percussion, Synthesizer, Lead Vocals – Stevie Wonder

Drums, Synthesizer, Harpsichord, Accordion, Vocals – Stevie Wonder

Drums, Synthesizer, Percussion, Harmonica, Vocals – Stevie Wonder

Backing Vocals – Carolyn Garrett, Cheta Akins*, Janice Moore, Kay Gibbs, Ruthell Holmes, Valencia CoxDrums, Percussion, Synthesizer [CS80], Lead Vocals – Stevie WonderSaxophone – Bob MalachSynthesizer [CS80] – Edwin BirdsongTrumpet – Larry Gittens

Backing Vocals – Renee HardawayDrums, Percussion, Synthesizer, Electric Piano, Lead Vocals, Backing Vocals – Stevie WonderGuitar – Ben Bridges, Rick Zunigar

Drums, Synthesizer, Vocoder, Vocals – Stevie WonderSaxophone – Bob MalachTrumpet – Larry Gittens

Arranged By [Strings] – Paul RiserGuitar – Earl KlughPiano, Synthesizer [CS80], Percussion [Environmental Percussion], Vocals – Stevie Wonder

Backing Vocals – Fana Kekana, Linda Bottoman-Tshabalala, Lorraine Mahlangu-Richards, Muntu Mvuyana, Musa Dludla, Thandeka Ngono-Raasch, Tsepo MokoneLead Vocals, Drums, Synthesizer, Percussion, Coro – Stevie Wonder