Callie Hoch has seen concerts during 18 years.

Year   Concerts Seen  
2009 1 concert
2006 1 concert
2005 2 concerts
1993 1 concert
1992 1 concert
1990 1 concert
1989 1 concert
1986 1 concert
1978 2 concerts
1977 2 concerts
1976 1 concert
1975 3 concerts
1973 2 concerts
1972 1 concert
1971 2 concerts
1970 2 concerts
1969 1 concert
1968 3 concerts