Isdennyder has seen concerts during 20 years.

Year   Concerts Seen  
2023 2 concerts
2022 4 concerts
2021 3 concerts
2019 7 concerts
2018 7 concerts
2016 6 concerts
2015 4 concerts
2013 1 concert
2012 2 concerts
2011 1 concert
2008 2 concerts
2006 3 concerts
2005 2 concerts
2002 1 concert
2001 1 concert
1996 1 concert
1976 2 concerts
1975 10 concerts
1974 6 concerts
1973 4 concerts