Len Czyzniejewski has seen concerts during 33 years.

Year   Concerts Seen  
2024 7 concerts
2023 10 concerts
2022 10 concerts
2021 5 concerts
2020 5 concerts
2019 19 concerts
2018 8 concerts
2017 6 concerts
2016 2 concerts
2012 2 concerts
2009 1 concert
2008 1 concert
2007 1 concert
2003 2 concerts
2002 2 concerts
2000 1 concert
1995 1 concert
1989 1 concert
1988 1 concert
1987 2 concerts
1986 6 concerts
1985 2 concerts
1984 16 concerts
1983 5 concerts
1982 9 concerts
1981 4 concerts
1980 1 concert
1979 4 concerts
1978 1 concert
1977 4 concerts
1976 9 concerts
1975 4 concerts
1974 1 concert