A singer with a powerful voice suited to many styles, Tina Charles traded in a career as a busy session singer and struggling solo artist to become one of the first mainstream disco stars after the release of her 1976 single "I Love to Love (But My Baby Just Loves to Dance)." She had already made a splash as the singer of 5000 Volts' fiery 1975 disco track "I'm on Fire," but now she was able to ride the booming popularity of the new sound to become the face and voice of the song in the U.K. Despite her talent and flexibility as a singer, her career was unable to weather the de...