bass Guillermo Edgehill
tracks a1, a2, a4 congas Frankie Malabe
congas, bongos Kako
tracks a3, b1 to b4 congas, bongos, percussion Ray Armando
coro Jimmy Sabater
tracks a3, b1 to b4 coro, percussion Adalberto Santiago
coro, percussion Bobby Marin
tracks a1, a2, a4 coro, percussion Victor Velazquez
design concept Izzy Sanabria
electric piano [fender rhodes], electric piano Rodgers Grant
engineer [recording] Bernard Fox
engineer [recording] Bob Blank
lead guitar Joe Beck
lead vocals Camilo Azuquita
leader [musical director], arranged by, baritone saxophone, flute, acoustic guitar, coro, percussion Mauricio Smith
mixed by, engineer [overdubbing] Dominic Costanzo
producer Bobby Marin
tracks a3, b1 to b4 timbales Louie Ramirez
tracks a1, a2, a4 timbales, drums Steve Berrios
tracks a3, b1 to b4 trombone Barry Rogers
tracks a1, a2, a4 trombone Jack Hitchcock
tracks a3, b1 to b4 trumpet Danny Cahn
tracks a3, b1 to b4 trumpet, flugelhorn Paul Cohen
Session I recorded at :
Delta Recording, N.Y.C. and A&M, Hollywood

Session II recorded at :
Good Vibrations, N.Y.C.

Mixed at :
Good Vibrations, N.Y.C.

Matrix / Runout: VS-34-A RC-2-20-75 STERLING IS (SIDE A)
Matrix / Runout: VS-34-B RC-2-20-75 IS STERLING (SIDE B)