Katie Lee was an American folk singer, actress, and environmental activist, noted for her passionate dedication to the Colorado River. She was renowned for her distinctive vocal style, characterized by a rich, warm tone and emotive delivery. Her eclectic music, which blended folk, country, and blues elements, often addressed environmental and social issues. Among her most influential works were songs like "The River is a Lady" and "Sand", which served as potent anthems for the environmental movement.