"All Night Long " is a song by American R&B singer Faith Evans featuring guest vocals by Puff Daddy. It was written by Evans, Sean "Puff Daddy" Combs, Ron "Amen-Ra" Lawrence, Schon Crawford, Clarence Emery, Todd Russaw, and Todd Gaither for her second album Keep the Faith (1998), while production was helmed by Lawrence, Combs, and Evans. The song contains a sample from "I Hear Music in the Streets" (1980) by American post-disco group Unlimited Touch. Due to the inclusion of the sample, Bertram Reed and Galen Underwood are also credited as songwriters.