Barbara Pennington is an American disco and soul singer, best known for her mid-1970s hits such as "Twenty Four Hours a Day" and "On a Crowded Street". She is characterized by her strong and emotive vocal style, heavily influenced by the soul and gospel traditions. Pennington's music, particularly her dance-oriented tracks, played a significant role in the disco era, contributing to the genre's widespread popularity. In the 1980s, her song "Fan The Flame" became a hit on the UK Singles Chart, further solidifying her international recognition.