Where is the first peaches from peaches and herb?

The first hit song by the duo Peaches & Herb is "Shake Your Groove Thing," released in 1978. The duo originated in Washington, D.C., and became popular for their catchy disco and soul tracks. "Peaches" refers to Francine Barker, while "Herb" is Herb Fame. Their collaboration produced several hits throughout the late 1970s and early 1980s.