Their masterful sixth LP, from 1975, produced and arranged by Charles Stepney.
This is sheer class all the way but highlights include the perfectly tooled funk of Shining Star, the ravishing mid-tempo title-track, Philip Bailey in full-flight on the killer ballad Reasons, the Janus-faced Africano shunting Chicagoan antecedents like Phil Cohran into hot jazz-funk…
Start here if you don’t own any Earth Wind & Fire.