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Next Week on Lift Every Voice: Christopher Williams and Valerie Simpson - Lift Every Voice presents Christopher Williams and Valerie Simpson. (Photos from left: Frederick M. Brown/Getty Images,Paras Griffin/Getty Images)

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Ashford & Simpson - Nick Ashford and Valerie Simpson wrote some of Motown’s biggest hits, like “Ain’t No Mountain High Enough” and “Ain’t Nothing Like the Real Thing,” before taking on their music careers as a recording and touring duo. (Photo: Roger Kisby/WireImage for New York Post)

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Dynamic Duo - The couple/duo penned some of the greatest hits, like Chaka Khan's "I'm Every Woman" and Whitney Houston on The Bodyguard soundtrack. Their enigmatic chemistry vocally illustrated the passion of their relationship and lyrics. (Photo: Afro American Newspapers/Gado/Getty Images)

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Hall of Famers - BET's annual Soul Train Awards honors the Songwriters Hall of Fame hit-making couple by honoring other excellent songwriters with the Ashford & Simpson Award. (Photo: Two Hands Entertainment)

Photo By Photo: Two Hands Entertainment

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U Will Know  - Christopher Williams is a contemporary soul singer who acted in New Jack City and was also featured on the soundtrack with "I'm Dreamin'." (Photo: Paras Griffin/Getty Images)

Photo By Photo: Paras Griffin/Getty Images

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Every Little Thing U Do - "I'm Dreamin'" from the album New Jack City and the hit song spent one week at number-one on the US R&B chart.  (Photo: Giant Records)

Photo By Photo: Giant Records