Ashford &amp; Simpson (Nickolas Ashford (R.I.P.) &amp; Valerie Simpson), husband-wife songwriting/production team and recording artists. As a duet, their hits include Solid (As a Rock) and Found a Cure. They were very successful as songwriters, writing for Motown hits Ain&#39;t No Mountain High Enough, You&#39;re All I Need To Get By, Ain&#39;t Nothing Like the Real Thing, and Reach Out and Touch (Somebody&#39;s Hand). They also wrote Chaka Khan&#39;s I&#39;m Every Woman and Teddy Pendergrass&#39;s Is It Still Good to You?