The Gate Keeper26 has seen concerts during 18 years.

Year   Concerts Seen  
2023 6 concerts
2022 5 concerts
2021 1 concert
2019 4 concerts
2018 5 concerts
2017 1 concert
2016 1 concert
2015 2 concerts
2014 2 concerts
2013 2 concerts
2012 2 concerts
2011 4 concerts
2010 5 concerts
2009 5 concerts
2008 4 concerts
2007 5 concerts
2006 1 concert
2005 2 concerts