This album yielded the group a Grammy Award, in the category of Best Contemporary Jazz Performance for the song "Sassy".^[1] The lyrics for this song were written by Janis Siegel and Cheryl Bentyne; the music was composed by Janis Siegel and Bill Bodine.^[2]

The Manhattan Transfer

• Cheryl Bentyne – vocals, vocal arrangements (1, 6)
• Tim Hauser – vocals, sandpaper blocks (5)
• Alan Paul – vocals, vocal arrangements (4, 10), music arrangements (10)
• Janis Siegel – vocals, vocal arrangements (2, 3, 7, 8), vocal adaptation (11)

Musicians and Arrangers

• Ian Prince – synthesizers (1, 5), programming (1, 5), music arrangements (1, 5), vocal arrangements (1)
• John Beasley – synthesizers (2)
• Bill Bodine – synthesizers (2), programming (2), bass (2), music arrangements (2)
• Jeff Lorber – synthesizers (2, 3), drum programming (2), programming (3), music arrangements (3)
• Les Pierce – synthesizers (4, 8), programming (4, 8), music arrangements (4, 8), vocal arrangements (4, 7)
• Gerald O'Brien – synthesizers (6), programming (6), music arrangements (6)
• Don Freeman – synthesizers (7), programming (7), music arrangements (7)
• Yaron Gershovsky – acoustic piano (8)
• Larry Williams – programming (9), saxophone (9), music arrangements (9), horn arrangements (9)
• Erik Hanson – additional programming (9)
• Mike Finnigan – Hammond organ (9)
• Chuck Jonkey – synthesizers (10), programming (10), sounds (10) sitar (10), ethnic percussion (10), music arrangements (10)
• Mark Isham – synthesizers (11), programming (11), trumpet (11), music arrangements (11)
• Jamie Glaser – guitar (1, 9)
• Herb Pederson – acoustic guitar (6)
• Alec Milstein – slap bass (2)
• Leland Sklar – bass (9)
• Alex Blake – bass (10)
• Harvie Swartz – bass (11)
• John Robinson – drums (2, 6)
• Grady Tate – drums (3)
• Jeff Porcaro – drums (9)
• Connie Kay – drums (11)
• Frank Colón – ethnic percussion (10)
• Richard Elliot – tenor saxophone (1, 3)
• Bob Sheppard – saxophone (2)
• Phil Christlieb – saxophone (2, 9)
• Kevin Harris – tenor saxophone (5)
• Roger Lewis – baritone saxophone (5)
• Charles Joseph – trombone (5)
• Gary Grant – trumpet (2, 9)
• Jerry Hey – trumpet (2, 9), horn arrangements (2)
• Lew Soloff – trumpet solo (2)
• Gregory Davis – trumpet (5), horn arrangements (5)
• Kirk Joseph – sousaphone (5), tuba solo (5)
• Hector Vargas – quena (10), zamponia (10)
• Van Dyke Parks – vocal arrangements (5)
• David Pack – vocal arrangements (8)
• Mervyn Warren – vocal arrangements (9)
• Angelica Azero – narrator (10)

• Tim Hauser – producer
• Ian Prince – producer (1, 5)
• Jeff Lorber – producer (3)
• Les Pierce – producer (4, 8)
• Gerald O'Brien – additional producer (6)
• Don Freeman – producer (7)
• John Cutcliffe – executive producer
• Gary Lux – engineer, mixing
• Leslie Ann Jones – second engineer
• Marnie Riley – second engineer
• Ted Blaisdell – additional engineer
• Stephen Krause – additional engineer
• Steve Miller – additional engineer
• Elliott Peters – additional engineer
• Ken Felton – assistant engineer
• Bernie Grundman – mastering
• Nancy Donald – art direction, design
• D. Gorton – photography

Studios

• Recorded at Conway Studios (Hollywood, California); Devonshire Sound Studios (North Hollywood, California); Studio 55 (Los Angeles, California); RPM Studios (New York City, New York); Paisley Park Studios (Minneapolis, Minnesota).
• Mixed at Conway Studios and Capitol Studios (Hollywood, California).
• Mastered at Bernie Grundman Mastering (Hollywood, California).

• The Manhattan Transfer Official Website