John William Casey has seen concerts during 17 years.

Year   Concerts Seen  
2024 1 concert
2023 4 concerts
2022 1 concert
2021 1 concert
2019 1 concert
2017 8 concerts
2016 2 concerts
2014 2 concerts
2013 3 concerts
2012 1 concert
2009 3 concerts
2008 3 concerts
2007 1 concert
2006 2 concerts
2001 2 concerts
1998 1 concert
1997 1 concert