Country music historian and scholar Charles K. Wolfe, 62, died at Middle Tennessee Medical Center after a long struggle with diabetes and various related ailments. He was surrounded by his wife, Mary, and daughters Stacey and Cindy. An author of 19 books, including last year's "The Bristol Sessions," [0] which he co-edited with Ted Olson, he was the most recognized authority on string band music of the 1920s and '30s. More information . . . [1]