Katey Margolis has seen concerts during 13 years.

Year   Concerts Seen  
2018 1 concert
2017 1 concert
2002 1 concert
2001 3 concerts
1999 1 concert
1998 1 concert
1997 4 concerts
1995 2 concerts
1994 2 concerts
1989 2 concerts
1987 2 concerts
1984 1 concert
1982 1 concert