His first recordings with the Temptations were released in the box set Emperors of Soul (1994) where he sang lead on "Givin' U The Best", "Elevator Eyes" and "Blueprint For Love".
A music producer, Richard Perry, worked with the Temptations to make the album For Lovers Only (1995) and included the song "Night and Day", on which Peoples sang lead vocals.
After Ali-Ollie Woodson left the Temptations in 1996 due to his battle with throat cancer, Peoples assumed the role of lead second tenor/baritone for the group.
[1] Although he was replaced by Barrington "Bo" Henderson before the album's release, Peoples made significant contributions to the multi-platinum and Grammy Award nominated Phoenix Rising.
By the turn of the century, Levi Stubbs had become ill from cancer; Ronnie McNeir was recruited to fill the Lawrence Payton position and Theo Peoples stepped into Stubbs' shoes as lead singer.