HARRIS, EMMYLOU (b. Birmingham, Ala., April 2, 1947) A pioneering COUNTRY-ROCK vocalist of the 1970s who made a successful transition into mainstream country in the 1980s, Harris has been an influence on many new-country female vocalists, including KATHY MATTEA , SUZY BOGGUSS , and MARY CHAPIN CARPENTER . Harris came from a solid, middle-class background. She attended the University of North Carolina and formed a folk duo there with a classmate. In 1969 Harris hit the road for Greenwich…