Louis Groenewout has seen concerts during 26 years.

Year   Concerts Seen  
2022 2 concerts
2020 3 concerts
2019 4 concerts
2018 2 concerts
2017 1 concert
2014 2 concerts
2013 2 concerts
2012 1 concert
2007 1 concert
2003 3 concerts
1999 1 concert
1998 1 concert
1995 4 concerts
1994 1 concert
1991 1 concert
1990 4 concerts
1986 1 concert
1984 4 concerts
1983 2 concerts
1982 2 concerts
1980 3 concerts
1977 5 concerts
1976 1 concert
1975 1 concert
1973 3 concerts
1972 1 concert