Each Sunday, Pitchfork takes an in-depth look at a significant album from the past, and any record not in our archives is eligible. Today, we revisit a landmark disco and pop album, a dazzling and fabulous collaboration between Chic and Diana Ross.

Each Sunday, Pitchfork takes an in-depth look at a significant album from the past, and any record not in our archives is eligible. Today, we revisit a landmark disco and pop album, a dazzling and fabulous collaboration between Chic and Diana Ross.