Irrealis has seen concerts during 13 years.

Year   Concerts Seen  
2022 2 concerts
2021 1 concert
2019 2 concerts
2018 1 concert
2015 2 concerts
2014 1 concert
2013 2 concerts
2011 1 concert
2008 2 concerts
2000 1 concert
1997 1 concert
1996 2 concerts
1995 2 concerts