Ruud Verschoor has seen concerts during 17 years.

Year   Concerts Seen  
2022 3 concerts
2016 1 concert
2011 3 concerts
2007 1 concert
2006 1 concert
1998 1 concert
1996 1 concert
1995 1 concert
1994 1 concert
1993 1 concert
1992 1 concert
1991 2 concerts
1988 1 concert
1987 1 concert
1986 1 concert
1984 2 concerts
1977 1 concert