Ain't No Stopping Us Now ( A Cover of Ain't No Stoppin' Us Now by McFadden and Whitehead ) 

McFadden and Whitehead formed together as a group officially under the name "McFadden & Whitehead" in 1977. The pinnacle of their success came in 1979 with "Ain't No Stoppin Us Now," which went to #1 on the R&B charts, #13 on the pop charts, sold eight million records worldwide and was nominated for a Grammy Award.