bass, lead vocals Chuck Newcomb cover, design Tony Lane drums, illustration Mike Barnett engineer, lacquer cut by Rudy Van Gelder guitar Don Felder piano, electric piano, organ, soprano saxophone, tenor saxophone, flute, harmonica John Winter producer Creed Taylor tabla, congas, cowbell Angel Allende tabla, congas, cowbell Ed Shaughnessy tabla, congas, cowbell Johnny Pacheco Recorded At Van Gelder Studio, Englewood Cliffs, New Jersey Published By Bubafig Ent. Inc. Published By Three Brothers Music, Inc. Liner Sketch by Mike Barnett entitled March of Progress Recorded December 17, 18 1969; January 20, 22, 1970 Matrix / Runout: CT 1003 A-1 2-25-70 (etched) VAN GELDER (Stamped) (Side A runout) Matrix / Runout: CT 1003 B-1 2-25-70 (etched) VAN GELDER (Stamped) (Side B runout)