Spanish Key

Miles Davis – trumpet
Wayne Shorter – soprano saxophone
Bennie Maupin – bass clarinet
Joe Zawinul – electric piano – Left
Larry Young – electric piano – Center
Chick Corea – electric piano – Right
John McLaughlin – electric guitar
Dave Holland – bass
Harvey Brooks – electric bass
Lenny White – drum set – Left
Jack DeJohnette – drum set – Right
Don Alias – Congas
Juma Santos (credited as "Jim Riley") – Shaker