Backing Vocals – Angela Winbush, Benjamin Bridges*, Charlie Collins , Earl DeRouen, Ed Brown, Isaiah Sanders, Mary Lee Whitney Evans*, Nathan Watts, Shirley BrewerBass – Nathan WattsDrums – Dennis DavisGuitar – Benjamin Bridges*Music By, Lyrics By – Stevie WonderPercussion – Earl DeRouenPiano [Pianet] – Isaiah SandersSaxophone – Robert Malach*, Hank ReddTrumpet – Larry Gittens, Nolan A. Smith, Jr.*Vocoder, Synthesizer – Stevie Wonder

Backing Vocals – Betty Wright, Eddie Levert, Jamil Raheem, Michael Jackson, Walter WilliamsElectric Piano [Fender Rhodes], Flute [Synthesizer], Drums, Synthesizer, Bells – Stevie WonderLyrics By – Clarence Paul, Morris Broadnax, Stevie WonderMusic By – Stevie WonderSaxophone – Hank Redd

Arranged By [String Arrangement] – Paul RiserElectric Piano [Fender Rhodes], Bass [Synthesizer], Drums, Synthesizer, Percussion, Backing Vocals – Stevie WonderGuitar – Benjamin Bridges*Music By, Lyrics By – Stevie Wonder

Backing Vocals – Charles K. Wilson*, Ronnie J. Wilson*Bass – Nathan WattsElectric Piano [Fender Rhodes] – Isaiah SandersGuitar [Guitars] – Benjamin Bridges*Music By, Lyrics By – Stevie WonderPiano, Clavinet, Cabasa, Drums – Stevie WonderSteel Guitar – Hank Devito

Backing Vocals – SyreetaBass – Nathan WattsDrums – Dennis DavisElectric Piano [Fender Rhodes] – Isaiah SandersGuitar – Benjamin Bridges*, Rick ZunigarMusic By, Lyrics By – Stevie WonderPercussion – Earl DeRouenPiano, Celesta, Clavinet, Harmonica – Stevie Wonder

Backing Vocals – Alexandra Brown Evans*, Angela Winbush, Marva Holcolm, Shirley BrewerBass – Nathan WattsDrums – Dennis DavisElectric Piano [Fender Rhodes], Clavinet – Stevie WonderGuitar – Benjamin Bridges*, Rick ZunigarMusic By, Lyrics By – Stevie WonderOrgan – Isaiah SandersPercussion – Earl DeRouenSaxophone – Hank ReddTrumpet – Larry Gittens

Backing Vocals – Alexandra Brown Evans*, Delores Barnes, Melody McCulley*, Shirley BrewerHarpsichord, Drums, Synthesizer, Synthesizer [Arp] – Stevie WonderMusic By, Lyrics By – Stevie WonderSaxophone – Robert Malach*Trumpet – Larry Gittens

Electric Piano [Fender Rhodes], Bass [Synthesizer], Drums, Synthesizer – Stevie WonderHandclaps – Bill Wolfer, Dennis Morrison, Hank Redd, Kimberly Jackson, Stephanie Andrews, Stevie Wonder, Trevor LawrenceMusic By, Lyrics By – Stevie WonderPercussion – Earl DeRouen

Music By, Lyrics By – Stevie WonderPiano, Bass [Synthesizer] – Stevie Wonder

Drums, Synthesizer [Arp], Synthesizer [Bass Melodian], Keyboards – Stevie WonderMusic By, Lyrics By – Stevie Wonder