Marc Krüger has seen concerts during 21 years.

Year   Concerts Seen  
2023 1 concert
2022 4 concerts
2019 1 concert
2018 3 concerts
2016 4 concerts
2015 3 concerts
2014 1 concert
2011 2 concerts
2010 1 concert
2008 1 concert
2006 1 concert
2003 1 concert
2001 1 concert
1999 1 concert
1998 1 concert
1997 1 concert
1996 8 concerts
1995 1 concert
1993 2 concerts
1992 4 concerts
1991 2 concerts