Walter has seen concerts during 30 years.

Year   Concerts Seen  
2024 3 concerts
2023 6 concerts
2022 16 concerts
2021 2 concerts
2019 10 concerts
2018 9 concerts
2017 1 concert
2016 2 concerts
2015 4 concerts
2009 9 concerts
2008 1 concert
2007 25 concerts
2006 36 concerts
2005 2 concerts
2004 1 concert
2001 1 concert
1997 1 concert
1996 2 concerts
1995 1 concert
1993 13 concerts
1992 11 concerts
1991 15 concerts
1990 20 concerts
1989 22 concerts
1988 5 concerts
1987 5 concerts
1986 3 concerts
1985 3 concerts
1984 12 concerts
1983 9 concerts