Lennert K has seen concerts during 17 years.

Year   Concerts Seen  
2023 2 concerts
2022 4 concerts
2019 8 concerts
2018 26 concerts
2017 4 concerts
2016 24 concerts
2015 47 concerts
2014 12 concerts
2013 3 concerts
2012 11 concerts
2011 2 concerts
2009 4 concerts
2008 5 concerts
2007 7 concerts
2006 7 concerts
2005 18 concerts
2004 9 concerts