C.O. Scheffer has seen concerts during 18 years.

Year   Concerts Seen  
2024 1 concert
2023 7 concerts
2022 6 concerts
2021 6 concerts
2020 2 concerts
2019 4 concerts
2018 5 concerts
2017 3 concerts
2016 2 concerts
2010 1 concert
2009 1 concert
2007 2 concerts
2006 1 concert
2005 1 concert
2004 1 concert
2001 2 concerts
2000 1 concert
1998 1 concert