tracks a1 to a6, b1 to b3 arranged by, conductor Chico O'Farrill
tracks a1 to a6, b2, b3 bass Bobby Rodriguez
tracks b1, b4 bass Stan Gilbert
tracks b1, b4 congas Armando Peraza
cover [cover art] Jo Grey
cover [cover art] Marvin Hayes
design [cover design] Acy Lehman
tracks b1, b4 drums Carl Burnett
tracks a1 to a6, b2, b3 drums Grady Tate
engineer Rudy Van Gelder
engineer [director of engineering] Val Valentin
liner notes Gene Lees
tracks a1 to a6, b2, b3 organ Derek Smith
tracks a1 to a6, b2, b3 percussion Armando Peraza
tracks a1 to a6, b2, b3 percussion Ray Barretto
tracks b1, b4 piano Al Zulaica
tracks a1 to a6, b2, b3 piano Chick Corea
producer Creed Taylor
Record Company MGM Records
Recorded At Van Gelder Studio, Englewood Cliffs, New Jersey
Manufactured By MGM Records Division
Recorded March 28 and 29, 1967 at Van Gelder Studios, Englewood Cliffs, New Jersey.

Track B1: recorded live at El Matador, San Francisco, January, 1967.

Tracks A1-A4: instrumental with vocal.
Matrix / Runout: V6-8671 MGS-584 (Side 1)
Matrix / Runout: V6-8671 MGS-585 (Side 2)
Other: Van Gelder (Engraved in the runout area)