debut with the next Temptations album, Diana Ross & the Supremes Join the Temptations. Starting with the group's next solo studio album, also titled Cloud Nine, producer Norman Whitfield began edging the group towards a Sly & the Family Stone-esque sound (dubbed "psychedelic soul"), using Edwards' gruffer voice as the centerpiece for several psychedelic-based hit singles and albums. Track listing Unreleased track "I Know She's Not a Mannequin" (Johnny Bristol, Shena Dermell, Harvey Fuqua) – lead vocal by David Ruffin – produced by Johnny Bristol. Subsequently, released on Lost and Found: You've Got to Earn It (1962–1968). Personnel The Temptations David Ruffin - vocals (tenor/falsetto/baritone) Eddie Kendricks - vocals (first tenor/falsetto) Paul Williams - vocals (second tenor/baritone) Melvin Franklin - vocals (bass) Otis Williams - vocals (second tenor/baritone) with: The Funk Brothers - instrumentation References The Temptations albums 1968 albums Gordy Records albums Albums produced by Norman Whitfield Albums produced by Smokey Robinson Albums produced by Henry Cosby Albums produced by Johnny Bristol Albums produced by Harvey Fuqua Albums produced by Deke Richards Albums recorded at Hitsville U.S.A.