TOTO – TOTO XX 1977-1997

Bass – Dave Hungate*Drums – Jeff PorcaroGuitar, Backing Vocals – Steve LukatherLead Vocals – Bobby KimballMixed By – Elliot ScheinerPiano, Backing Vocals – David PaichRecorded By – Tom KnoxSynthesizer – Steve Porcaro

Arranged By [Horns], Trumpet – Jerry HeyBacking Vocals – Chris ThompsonBass – Mike PorcaroDrums, Percussion – Jeff PorcaroGuitar – Steve LukatherKeyboards – David PaichLead Vocals – Joe Williams*Saxophone – Jim Horn, Tom ScottTrombone – Jimmy Pankow*Trumpet – Gary Grant

Bass – Mike PorcaroDrums, Percussion – Jeff PorcaroGuitar – Steve LukatherKeyboards – David PaichLead Vocals – Joe Williams*Synthesizer – Steve Porcaro

Bass – Mike PorcaroDrums [Synclavier], Timbales – Jeff PorcaroGuitar, Backing Vocals – Steve LukatherKeyboards, Lead Vocals, Backing Vocals – David PaichMixed By – Elliot ScheinerRecorded By [Drums] – Jack Joseph PuigRecorded By [Music] – Shep LonsdaleSaxophone – Dave Sanborn*Synthesizer [Programming] – Steve Porcaro

Arranged By [String] – David Paich, James Newton Howard, Marty PaichBass – Mike PorcaroConductor – Marty PaichDrums – Jeff PorcaroGuitar, Backing Vocals – Steve LukatherLead Vocals – Bobby KimballMixed By – Elliot ScheinerPiano, Backing Vocals – David PaichRecorded By – Greg LadanyiStrings – London Symphony Orchestra*

Bass – Dave Hungate*Drums – Jeff PorcaroGuitar – Steve LukatherKeyboards – David PaichLead Vocals – Bobby KimballMixed By – Elliot ScheinerRecorded By – Tom KnoxSynthesizer – Steve Porcaro

Backing Vocals [Lead Harmonies] – Lisa Dalbello*Bass [Moog], Keyboards [All], Lead Vocals – David PaichBass [Overdub Bass Fills] – Dave Hungate*Drums – Jeff PorcaroGuitar [All] – Steve LukatherRecorded By, Mixed By – Tom Knox

Backing Vocals [Disco] – Bobby KimballDrums, Percussion – Jeff PorcaroGuitar – Steve LukatherLead Vocals, Bass [Moog], Piano, Synthesizer – David PaichProgrammed By [Sequencer] – Steve PorcaroRecorded By, Mixed By – Tom KnoxSynthesizer [Programming] – Michael Boddicker

Backing Vocals – Fred White (2), Jacki Magee*, Jenny Douglas-McRae*Bass – Mike PorcaroDrums – Jeff PorcaroKeyboards, Lead Vocals – David PaichLead Vocals, Guitar – Steve LukatherPercussion – Chris TrujilloRecorded By, Mixed By – Dirk Schubert

Bass – Mike PorcaroDrums – Simon PhillipsEngineer – Richard MitchellEngineer [Assistant] – David Segal, Kentse MpahlwaGuitar – Steve LukatherKeyboards – David PaichMixed By – Elliot ScheinerTechnician – Colin Finnie

Engineer – Richard MitchellEngineer [Assistant] – David Segal, Kentse MpahlwaMixed By – Elliot ScheinerTechnician – Colin Finnie

Backing Vocals – Jenny Douglas-McRae*, John James (5)Bass – Mike PorcaroDrums – Simon PhillipsEngineer – Richard MitchellEngineer [Assistant] – David Segal, Kentse MpahlwaGuitar – Steve LukatherKeyboards, Lead Vocals – David PaichMixed By – Elliot ScheinerTechnician – Colin Finnie