The 5th Dimension •
Marilyn McCoo – Soprano voice, lead vocals (track A1), background vocals •
Florence LaRue – Alto voice, lead vocals (track B4) , background vocals •
Billy Davis Jr. – Baritone voice, lead vocals (tracks A4, B1, B3), background vocals •
Ron Townson – Tenor voice, lead vocals (track B2), background vocals •
Lamonte McLemore – Baritone and Bass voice, background vocals
Instrumentalists •
Hal Blaine,
Earl Palmer – drums •
Joe Osborn – bass guitar •
Larry Knechtel – organ, electric piano, piano • Artie Butler,
Jimmy Rowles – piano •
Dennis Budimir,
Larry Carlton, Jeffrey Comanor,
Tommy Tedesco – guitar • Zavier – twelve-string guitar • King Errisson – congas (track B6) •
Paul Humphrey – drums (track B6) •
Max Bennett – bass guitar (track B6) •
Larry Bunker – Afro percussion •
Bob Alcivar – conductor •
Tom Scott – tenor saxophone (track B6) •
Bud Brisbois – trumpet (track B6) •
Clarence McDonald – organ (track B6)
Production • Producer –
Bones Howe • Engineer – Bones Howe • Assistant engineers – Ed Barton, Ken Caillat • Vocal arranger –
Bob Alcivar • Accompanied by, Orchestra – The 5th Dimension Studio Orchestra • Art direction – Beverly Weinstein • Concertmaster – Sid Sharp • Coordinator [Production Co-ordination] – Pam Vale • Album design – Kaleidoscope • Horn arrangement on "Woyaya" –
Tom Scott == Reception ==