Harm Grunhagen has seen concerts during 35 years.

Year   Concerts Seen  
2024 1 concert
2023 4 concerts
2022 4 concerts
2019 4 concerts
2017 5 concerts
2016 2 concerts
2015 6 concerts
2014 1 concert
2013 2 concerts
2012 3 concerts
2011 1 concert
2010 3 concerts
2009 2 concerts
2008 4 concerts
2007 2 concerts
2006 1 concert
2005 2 concerts
2003 1 concert
2002 1 concert
1992 1 concert
1991 1 concert
1988 2 concerts
1987 1 concert
1986 1 concert
1985 1 concert
1984 1 concert
1983 2 concerts
1982 1 concert
1981 2 concerts
1980 6 concerts
1979 2 concerts
1978 2 concerts
1977 2 concerts
1976 1 concert
1975 1 concert