McFadden and Whitehead were an American R&B duo, best known for their signature tune "Ain't No Stoppin' Us Now". They wrote and produced some of the most popular R&B hits of the 1970s, and were primarily associated with the Gamble and Huff record label, Philadelphia International Records.

Kenneth Gamble and Leon A. Huff are an American songwriting and production team credited for developing the Philadelphia soul music genre of the 1970s. In addition to forming their own label, Philadelphia International Records, Gamble and Huff have written and produced 175 gold and platinum records, earning them an induction into the Rock and Roll Hall of Fame in the non-performer category in March 2008.