Ben Kortekaas has seen concerts during 13 years.

Year   Concerts Seen  
2023 2 concerts
2022 4 concerts
2021 1 concert
2020 2 concerts
2019 2 concerts
2018 1 concert
2017 2 concerts
2011 1 concert
1995 1 concert
1994 2 concerts
1993 2 concerts
1991 1 concert
1989 1 concert