Eddie Kendricks sings lead on the recording, which was produced by Whitfield.
Murphy and Butterley also sang lead roles on the recording, but the show could not find a producer to stage it.
Oakey sang on the original recording but the vocals were not used on the released version.
The lyrics were written by Robert Calvert and he sang the lead vocal on the original live recording.
One of his band members, Buck Owens, sang harmony with him on the recording.
Wash sang on the original recording as part of the group the Weather Girls.
Wanda Young was the only other Marvelette to agree to sing on the recording.
His son, Declan, then a teenager, played drums and sang backing vocals on the recording.
Don Henley of the Eagles sang backup on the recording.
The Bangles sang background vocals on the original recording.
