The cracks in musical cohesiveness among the members of The 5th Dimension were evident to the group’s members by the time they began work on the “Earthbound” album in 1975.

They had reunited with songwriter Jimmy Webb, who had penned the group’s first pop hit, “Up, Up and Away” in 1967. Webb was going to produce “Earthbound” and Marilyn McCoo and husband Billy Davis Jr. were both excited about working again with Webb.

But rehearsals were tense. Recording sessions were tense. At the center of the discomfort was the direction the band was heading by 1975.

Since the mid-1960s, the original five members – McCoo, Davis, Florence LaRue, Lamonte McLemore and Ron Townson – had produced a string of hits in addition to “Up, Up and Away,” including “Stoned Soul Picnic,” “Aquarius/Let The Sunshine In,” “Wedding Bell Blues,” “One Less Bell To Answer” and “(Last Night) I Didn’t Get To … Read more