Katherine has seen concerts during 13 years.

Year   Concerts Seen  
2019 1 concert
2018 1 concert
2015 1 concert
2013 1 concert
2012 1 concert
2002 1 concert
2000 1 concert
1998 2 concerts
1997 1 concert
1990 1 concert
1982 2 concerts
1981 1 concert
1976 1 concert