Robert Ledford has seen concerts during 13 years.

Year   Concerts Seen  
1994 1 concert
1993 1 concert
1985 1 concert
1984 1 concert
1983 2 concerts
1982 5 concerts
1981 7 concerts
1980 6 concerts
1979 7 concerts
1978 4 concerts
1977 2 concerts
1976 4 concerts
1975 1 concert