Credits

The Swingle Singers: Vocals
Steve Grey: Piano
Chris Karan: Cuica
Tony Clark: Engineer
Herbie Flowers: Bass
Clem Cattini: Drums
Jim Lawless: Percussion
Phil Smee: Design, Package Design
Richard Hewson: Conductor, Orchestral Arrangement, Arranger
Hipgnosis: Artwork
Percy Thrillington: Producer, Leader, Arranger
Clint Harrigan: Liner Notes, Sleeve Notes
Jeff Cummins: Artwork
Vic Flick: Electric Guitar, Acoustic Guitar