Dan Harder has seen concerts during 19 years.

Year   Concerts Seen  
2019 1 concert
2008 1 concert
2005 1 concert
2003 1 concert
2001 3 concerts
2000 3 concerts
1999 1 concert
1998 2 concerts
1997 3 concerts
1996 1 concert
1994 2 concerts
1993 1 concert
1992 1 concert
1991 2 concerts
1989 1 concert
1988 2 concerts
1987 2 concerts
1986 1 concert
1985 1 concert