Earth, Wind & Fire ‎– The Best Of Earth Wind & Fire Vol. I VG- (Low Grade) 1980 ARC: CBS Mastersound (Half Speed) Stereo Compilation Audiophile LP with Gatefold Sleeve USA – Soul / Funk / Disco Shuga Records

This is a “Half-Speed Mastered” version

According to an enclosed information sheet, this pressing was part of the “CBS Master Sound Series” which were “Extended Range Recordings”. The information sheet, authored by Glenn A. Hart, also provided insight regarding the recording, half-speed mastering, and pressing process used to created CBS Master Sound albums.