Hartmdsd has seen concerts during 25 years.

Year   Concerts Seen  
2024 7 concerts
2023 26 concerts
2022 19 concerts
2021 4 concerts
2019 3 concerts
2018 1 concert
2009 1 concert
2008 1 concert
2005 1 concert
2002 2 concerts
2001 2 concerts
1999 1 concert
1998 2 concerts
1997 3 concerts
1996 3 concerts
1995 1 concert
1991 1 concert
1990 2 concerts
1988 3 concerts
1987 6 concerts
1986 8 concerts
1985 4 concerts
1984 6 concerts
1983 2 concerts
1982 1 concert