Black Ivory - Mainline (1979)

Black Ivory was a RnB group rom Harlem New York City, which had a number of hits in the 1970s, including "Don't Turn Around", "You and I" (both of which featured Larry Blackmon from Cameo on drums), "I'll Find a Way (The Loneliest Man in Town)", "Spinning Around", "What Goes Around (Comes Around)", "Will We Ever Come Together", and "Mainline."

link
http://www.youtube.com/watch?v=zkFrnhkPR6g